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How Sleep Shapes Mind
When sleep falters, dreams fade. Our WTD (Ex-CMD), Mathew Chandy speaks with India Today to discuss how a sleepless nation is losing out while dreams hold the key to creativity and growth.
How Sleep Shapes Mind
When sleep falters, dreams fade. Our WTD (Ex-CMD), Mathew Chandy speaks with India Today to discuss how a sleepless nation is losing out while dreams hold the key to creativity and growth.
For over 60 years, we’ve delivered quality sleep solutions to businesses across industries. With integrity, innovation, and fairness at our core, we provide premium sleep and furniture solutions tailored to your every need.
60+ Years of Trusted Comfort Solutions
For over 60 years, we’ve delivered quality sleep solutions to businesses across industries. With integrity, innovation, and fairness at our core, we provide premium sleep and furniture solutions tailored to your every need.
You settle into bed, roll onto your side, pull one knee up toward your chest, leave the other leg straight, and drift off. Comfortable, right? Natural, even.
There's just one problem: you're sleeping in what sleep specialists call the "mountain climbing" or "half fetal" position. And according to orthopedic research and sleep science, it's one of the worst things you can do to your spine.
If this is your go-to sleep position, your body is spending 7-8 hours every night in a twisted, misaligned state. And the damage compounds over time.
The Spine Problem: Twisting All Night Long
When you sleep in the mountain climbing position, your spine doesn't stay neutral. Instead, it twists. Your upper body might be rotated slightly forward or backward relative to your hips. Your pelvis tilts. Your lumbar spine curves unnaturally.
A study published in the Journal of Physical Therapy Science examined spinal alignment during various sleep positions and found that asymmetric positions, where one side of the body is positioned differently than the other, create sustained torsional stress on the spine. Over time, this contributes to chronic lower back pain, disc compression, and muscular imbalances.
Think about it: if you twisted your spine during the day and held that position for 15 minutes, you'd feel uncomfortable. You're doing it for eight hours straight, night after night.
The Pelvis Rotation Issue
Your pelvis is designed to stay level. When both legs are in different positions, one bent, one straight, your pelvis rotates to accommodate. That rotation pulls on your lower back muscles, creates uneven tension through your sacroiliac joint, and forces your lumbar spine to compensate.
Research from the American Chiropractic Association notes that pelvic misalignment during sleep is a major contributing factor to morning stiffness and lower back strain. The muscles on one side of your back are stretched, while the other side is compressed. By morning, both sides are fatigued and sore.
This is why people who sleep in the mountain climbing position often wake up with a stiff lower back that takes 20-30 minutes to "loosen up." It's not age. It's not a bad mattress alone. It's the position you've spent all night in.
Pressure on Internal Organs
The twist doesn't just affect your musculoskeletal system. It also impacts your internal organs.
When your torso is rotated and one leg is pulled up high, you create compression on one side of your abdomen. This can worsen acid reflux, especially if you're sleeping on your right side (which allows stomach acid to flow more easily into the esophagus). The compression also affects digestion and can contribute to bloating or discomfort.
A study in the Journal of Clinical Gastroenterology found that sleep position significantly impacts gastroesophageal reflux disease (GERD) symptoms, with twisted or asymmetric positions exacerbating acid reflux compared to neutral side-lying positions.
Circulation and Numbness
The mountain climbing position also reduces circulation on one side of your body. When one leg is bent sharply and tucked up, you may be compressing blood vessels in that hip and thigh. The arm you're lying on can also experience reduced blood flow, especially if your shoulder is rolled forward.
This is why many people who sleep this way wake up with a numb arm, tingling in their leg, or a sensation of pins and needles. You're literally cutting off proper circulation to parts of your body for hours at a time.
According to research published in Sleep Medicine Reviews, compromised circulation during sleep can lead to poor tissue oxygenation, which impairs muscle recovery and contributes to that groggy, unrested feeling even after a full night's sleep.
Why Do We Sleep Like This?
Comfort and habit are the obvious answers. But there's often a deeper reason: your mattress isn't providing adequate support.
When a mattress lacks proper contouring or pressure relief, your body instinctively tries to create its own comfort by adjusting position. Pulling one leg up might relieve pressure on your hips. Twisting slightly might ease a pressure point on your shoulder. You're unconsciously trying to compensate for what the mattress isn't doing.
Sleep researchers at the National Sleep Foundation note that sleep position habits often develop as adaptive responses to inadequate sleep surfaces. Your body finds the least uncomfortable option, even if that option is still harmful in the long run.
The Better Alternative: Proper Side Sleeping
If you're a side sleeper (which is generally a healthy position), the key is symmetry and alignment.
The correct side sleeping position:
Lie on your side with both knees bent equally
Keep your legs stacked, one on top of the other
Your spine should form a straight line from neck to tailbone
Use a pillow between your knees to keep your hips aligned
Ensure your pillow keeps your head neutral (not tilted up or down)
Research published in the European Spine Journal found that side sleeping with proper alignment and a knee pillow significantly reduced lower back pain compared to asymmetric side sleeping positions.
How to Retrain Your Sleep Position
Changing a deeply ingrained sleep habit isn't easy. You've probably been sleeping this way for years, maybe decades. Your body defaults to it unconsciously. But it is possible to retrain yourself.
Week 1: Awareness
Just notice how often you end up in the mountain climbing position. Don't try to change it yet. Set an alarm for the middle of the night and check your position. You're building awareness.
Week 2: The pillow intervention
Place a pillow between your knees when you go to sleep. This makes it harder to pull one leg up without the other. The pillow acts as a physical reminder to keep your legs symmetrical.
Week 3: Active correction
Every time you wake up during the night and find yourself in the mountain climbing position, consciously straighten out. Adjust to proper side sleeping. Yes, this disrupts sleep initially, but you're retraining muscle memory.
Week 4 and beyond: Reinforcement
By now, the new position should start feeling more natural. Keep the knee pillow indefinitely—it’s not a crutch, it’s proper support. Your body will gradually accept this as the new normal.
Most people report that after 2-3 weeks of conscious correction, they wake up in the proper position more often than not. After a month or two, the old habit fades entirely.
Why This Matters
You spend roughly one-third of your life sleeping. If you're spending that time in a position that twists your spine, rotates your pelvis, compresses your organs, and reduces circulation, you're setting yourself up for chronic issues that compound over years and decades.
Lower back pain. Poor sleep quality. Digestive issues. Reduced recovery. All from something as seemingly innocent as how you position your legs at night.
The good news? It's entirely fixable. No expensive treatments. No medications. Just awareness, a pillow between your knees, and the commitment to retrain a habit.
Your spine will thank you. Your mornings will feel different.
Explore our range of mattresses to find the right fit.
You settle into bed, roll onto your side, pull one knee up toward your chest, leave the other leg straight, and drift off. Comfortable, right? Natural, even.
There's just one problem: you're sleeping in what sleep specialists call the "mountain climbing" or "half fetal" position. And according to orthopedic research and sleep science, it's one of the worst things you can do to your spine.
If this is your go-to sleep position, your body is spending 7-8 hours every night in a twisted, misaligned state. And the damage compounds over time.
The Spine Problem: Twisting All Night Long
When you sleep in the mountain climbing position, your spine doesn't stay neutral. Instead, it twists. Your upper body might be rotated slightly forward or backward relative to your hips. Your pelvis tilts. Your lumbar spine curves unnaturally.
A study published in the Journal of Physical Therapy Science examined spinal alignment during various sleep positions and found that asymmetric positions, where one side of the body is positioned differently than the other, create sustained torsional stress on the spine. Over time, this contributes to chronic lower back pain, disc compression, and muscular imbalances.
Think about it: if you twisted your spine during the day and held that position for 15 minutes, you'd feel uncomfortable. You're doing it for eight hours straight, night after night.
The Pelvis Rotation Issue
Your pelvis is designed to stay level. When both legs are in different positions, one bent, one straight, your pelvis rotates to accommodate. That rotation pulls on your lower back muscles, creates uneven tension through your sacroiliac joint, and forces your lumbar spine to compensate.
Research from the American Chiropractic Association notes that pelvic misalignment during sleep is a major contributing factor to morning stiffness and lower back strain. The muscles on one side of your back are stretched, while the other side is compressed. By morning, both sides are fatigued and sore.
This is why people who sleep in the mountain climbing position often wake up with a stiff lower back that takes 20-30 minutes to "loosen up." It's not age. It's not a bad mattress alone. It's the position you've spent all night in.
Pressure on Internal Organs
The twist doesn't just affect your musculoskeletal system. It also impacts your internal organs.
When your torso is rotated and one leg is pulled up high, you create compression on one side of your abdomen. This can worsen acid reflux, especially if you're sleeping on your right side (which allows stomach acid to flow more easily into the esophagus). The compression also affects digestion and can contribute to bloating or discomfort.
A study in the Journal of Clinical Gastroenterology found that sleep position significantly impacts gastroesophageal reflux disease (GERD) symptoms, with twisted or asymmetric positions exacerbating acid reflux compared to neutral side-lying positions.
Circulation and Numbness
The mountain climbing position also reduces circulation on one side of your body. When one leg is bent sharply and tucked up, you may be compressing blood vessels in that hip and thigh. The arm you're lying on can also experience reduced blood flow, especially if your shoulder is rolled forward.
This is why many people who sleep this way wake up with a numb arm, tingling in their leg, or a sensation of pins and needles. You're literally cutting off proper circulation to parts of your body for hours at a time.
According to research published in Sleep Medicine Reviews, compromised circulation during sleep can lead to poor tissue oxygenation, which impairs muscle recovery and contributes to that groggy, unrested feeling even after a full night's sleep.
Why Do We Sleep Like This?
Comfort and habit are the obvious answers. But there's often a deeper reason: your mattress isn't providing adequate support.
When a mattress lacks proper contouring or pressure relief, your body instinctively tries to create its own comfort by adjusting position. Pulling one leg up might relieve pressure on your hips. Twisting slightly might ease a pressure point on your shoulder. You're unconsciously trying to compensate for what the mattress isn't doing.
Sleep researchers at the National Sleep Foundation note that sleep position habits often develop as adaptive responses to inadequate sleep surfaces. Your body finds the least uncomfortable option, even if that option is still harmful in the long run.
The Better Alternative: Proper Side Sleeping
If you're a side sleeper (which is generally a healthy position), the key is symmetry and alignment.
The correct side sleeping position:
Lie on your side with both knees bent equally
Keep your legs stacked, one on top of the other
Your spine should form a straight line from neck to tailbone
Use a pillow between your knees to keep your hips aligned
Ensure your pillow keeps your head neutral (not tilted up or down)
Research published in the European Spine Journal found that side sleeping with proper alignment and a knee pillow significantly reduced lower back pain compared to asymmetric side sleeping positions.
How to Retrain Your Sleep Position
Changing a deeply ingrained sleep habit isn't easy. You've probably been sleeping this way for years, maybe decades. Your body defaults to it unconsciously. But it is possible to retrain yourself.
Week 1: Awareness
Just notice how often you end up in the mountain climbing position. Don't try to change it yet. Set an alarm for the middle of the night and check your position. You're building awareness.
Week 2: The pillow intervention
Place a pillow between your knees when you go to sleep. This makes it harder to pull one leg up without the other. The pillow acts as a physical reminder to keep your legs symmetrical.
Week 3: Active correction
Every time you wake up during the night and find yourself in the mountain climbing position, consciously straighten out. Adjust to proper side sleeping. Yes, this disrupts sleep initially, but you're retraining muscle memory.
Week 4 and beyond: Reinforcement
By now, the new position should start feeling more natural. Keep the knee pillow indefinitely—it’s not a crutch, it’s proper support. Your body will gradually accept this as the new normal.
Most people report that after 2-3 weeks of conscious correction, they wake up in the proper position more often than not. After a month or two, the old habit fades entirely.
Why This Matters
You spend roughly one-third of your life sleeping. If you're spending that time in a position that twists your spine, rotates your pelvis, compresses your organs, and reduces circulation, you're setting yourself up for chronic issues that compound over years and decades.
Lower back pain. Poor sleep quality. Digestive issues. Reduced recovery. All from something as seemingly innocent as how you position your legs at night.
The good news? It's entirely fixable. No expensive treatments. No medications. Just awareness, a pillow between your knees, and the commitment to retrain a habit.
Your spine will thank you. Your mornings will feel different.
Explore our range of mattresses to find the right fit.
It's 9 in the morning. You've already had breakfast. But you're standing at your desk, staring at the vending machine, craving chocolate, chips, or a carbonated drink? The craving is intense, almost physical.
You tell yourself you lack willpower, that you need to eat healthier, and you should have more self-control. But here's what's actually happening: it's not your willpower. It's your sleep, or more specifically, the lack of it.
The Hormones That Control Your Hunger
Your body has two primary hormones that regulate appetite: leptin and ghrelin. Think of them as the gas pedal and brake for your hunger.
Leptin is your "I'm full" hormone. Produced by fat cells, it signals to your brain that you have enough energy stored and don't need to eat. When leptin levels are adequate, you feel satisfied after meals and don't constantly think about food.
Ghrelin is your "feed me now" hormone. Produced mainly in your stomach, it signals hunger to your brain. When ghrelin spikes, you feel ravenous. You start craving calorie-dense foods—sugar, carbs, anything that promises quick energy.
In a well-rested body, these hormones stay balanced. Leptin keeps you satisfied between meals. Ghrelin rises naturally when you actually need food.
But take away sleep, and everything falls apart.
What One Bad Night Does to Your Body
A landmark study published in the Annals of Internal Medicine examined what happens to these hunger hormones after sleep deprivation. Researchers restricted participants to just 4.5 hours of sleep for four nights and measured their leptin and ghrelin levels.
The results were stark: leptin dropped by 18%, while ghrelin increased by 28%.
Let that sink in. Your "I'm full" signal dropped by almost a fifth. Your "I'm starving" signal increased by more than a quarter. No wonder you're raiding the fridge even though you ate breakfast an hour ago.
But it gets worse. The same study found that sleep-deprived participants didn't just feel hungrier—they specifically craved high-carbohydrate, high-calorie foods. Not salads. Not protein. Sugar and carbs. The exact foods that provide quick energy when your body is running on empty.
Research from the University of Chicago found that one bad night of sleep can increase your cravings by up to 45%.
Your Brain on No Sleep
When you're sleep-deprived, your brain's prefrontal cortex, the part responsible for decision-making and impulse control, becomes less active. Meanwhile, the amygdala and insula, regions associated with reward and desire, light up more intensely when shown images of high-calorie foods.
A study in Nature Communications used brain imaging to show that sleep-deprived people had significantly stronger responses in reward centers when viewing junk food compared to healthy food. It's not that you're weak. Your brain chemistry is literally working against you.
Your body is desperately trying to get energy from food because it didn't get to properly recharge during sleep. Those chocolate cravings at 9 AM? That's your brain saying, "We didn't get rest, so we need quick fuel. Give us sugar. NOW!"
The Vicious Cycle
Here's where it gets particularly insidious: poor sleep triggers cravings for sugar and carbs. You give in (because you're human and your hormones are screaming at you). You eat the chocolate, the pastry, the chips. You get a quick energy spike followed by a crash.
That crash makes you tired. So you sleep poorly again that night. Which triggers the same hormonal imbalance the next day. Which leads to more cravings. Which leads to more crashes. Which leads to worse sleep.
Research published in the American Journal of Clinical Nutrition found that sleep-deprived people consume an average of 385 extra calories per day, mostly from fat and sugar. Over a week, that's nearly 2,700 additional calories. Over a month? You can see where this goes.
It's Not Just About Weight
The conversation around sleep and cravings often focuses on weight gain, but that's missing the bigger picture. The constant cycle of cravings, crashes, and energy dips affects everything:
Cognitive performance: Your brain can't focus when it's constantly seeking its next sugar hit. A study in the Journal of Sleep Research found that sleep deprivation combined with unstable blood sugar significantly impairs memory and attention.
Mood stability: The same hormone disruptions that trigger food cravings also affect serotonin and dopamine. Research links poor sleep and erratic eating patterns to increased anxiety and depression risk.
Metabolic health: Chronically elevated ghrelin and suppressed leptin don't just make you crave food, they fundamentally alter how your body processes glucose and stores fat. Studies show that sleep restriction increases insulin resistance, a precursor to type 2 diabetes.
Breaking the Cycle
The solution sounds simple: sleep better. But knowing you should sleep better and actually doing it are different things.
Start with one week. Just one week of prioritizing 7-8 hours of sleep. Track what happens to your cravings.
Day 1-2: You might not notice much difference yet. Your hormones are still recalibrating.
Day 3-4: Cravings start to ease. That desperate need for sugar at 9 AM feels less intense. You can actually think about other things besides food.
Day 5-7: Your appetite normalizes. You feel genuinely satisfied after meals. The vending machine stops calling your name mid-morning.
Most people report that within a week of consistent, quality sleep, their relationship with food changes noticeably. It's not about willpower suddenly appearing. It's about hormones rebalancing so you're not fighting your own biology.
The Real Question
The next time you find yourself craving something sweet in the morning, don't reach for the chocolate first. Ask yourself: how did I sleep last night?
Because the real fix isn't better willpower, it's better sleep.
Your body needs time to recalibrate. Leptin and ghrelin don't rebalance overnight. Your brain's reward centers don't reset after a single good sleep.
Give it a week. Seven consistent nights of 7-8 hours of quality sleep. That's when you'll notice the shift. The desperate sweet craving becomes a mild preference you can easily ignore. The raiding-the-fridge-between-meals impulse fades. Your appetite starts feeling like something you control, not something controlling you.
And if you're struggling to get that quality sleep in the first place, tossing and turning, waking up stiff, never feeling truly rested, that's a different problem with a different solution. Sometimes it's not just about going to bed earlier. It's about what you're sleeping on and whether your body can actually recover during those hours.
But start with awareness. Track your sleep. Notice the pattern between bad nights and intense cravings. Your body tells you exactly what it needs, listen to it.
Explore sleep solutions by Duroflex.
It's 9 in the morning. You've already had breakfast. But you're standing at your desk, staring at the vending machine, craving chocolate, chips, or a carbonated drink? The craving is intense, almost physical.
You tell yourself you lack willpower, that you need to eat healthier, and you should have more self-control. But here's what's actually happening: it's not your willpower. It's your sleep, or more specifically, the lack of it.
The Hormones That Control Your Hunger
Your body has two primary hormones that regulate appetite: leptin and ghrelin. Think of them as the gas pedal and brake for your hunger.
Leptin is your "I'm full" hormone. Produced by fat cells, it signals to your brain that you have enough energy stored and don't need to eat. When leptin levels are adequate, you feel satisfied after meals and don't constantly think about food.
Ghrelin is your "feed me now" hormone. Produced mainly in your stomach, it signals hunger to your brain. When ghrelin spikes, you feel ravenous. You start craving calorie-dense foods—sugar, carbs, anything that promises quick energy.
In a well-rested body, these hormones stay balanced. Leptin keeps you satisfied between meals. Ghrelin rises naturally when you actually need food.
But take away sleep, and everything falls apart.
What One Bad Night Does to Your Body
A landmark study published in the Annals of Internal Medicine examined what happens to these hunger hormones after sleep deprivation. Researchers restricted participants to just 4.5 hours of sleep for four nights and measured their leptin and ghrelin levels.
The results were stark: leptin dropped by 18%, while ghrelin increased by 28%.
Let that sink in. Your "I'm full" signal dropped by almost a fifth. Your "I'm starving" signal increased by more than a quarter. No wonder you're raiding the fridge even though you ate breakfast an hour ago.
But it gets worse. The same study found that sleep-deprived participants didn't just feel hungrier—they specifically craved high-carbohydrate, high-calorie foods. Not salads. Not protein. Sugar and carbs. The exact foods that provide quick energy when your body is running on empty.
Research from the University of Chicago found that one bad night of sleep can increase your cravings by up to 45%.
Your Brain on No Sleep
When you're sleep-deprived, your brain's prefrontal cortex, the part responsible for decision-making and impulse control, becomes less active. Meanwhile, the amygdala and insula, regions associated with reward and desire, light up more intensely when shown images of high-calorie foods.
A study in Nature Communications used brain imaging to show that sleep-deprived people had significantly stronger responses in reward centers when viewing junk food compared to healthy food. It's not that you're weak. Your brain chemistry is literally working against you.
Your body is desperately trying to get energy from food because it didn't get to properly recharge during sleep. Those chocolate cravings at 9 AM? That's your brain saying, "We didn't get rest, so we need quick fuel. Give us sugar. NOW!"
The Vicious Cycle
Here's where it gets particularly insidious: poor sleep triggers cravings for sugar and carbs. You give in (because you're human and your hormones are screaming at you). You eat the chocolate, the pastry, the chips. You get a quick energy spike followed by a crash.
That crash makes you tired. So you sleep poorly again that night. Which triggers the same hormonal imbalance the next day. Which leads to more cravings. Which leads to more crashes. Which leads to worse sleep.
Research published in the American Journal of Clinical Nutrition found that sleep-deprived people consume an average of 385 extra calories per day, mostly from fat and sugar. Over a week, that's nearly 2,700 additional calories. Over a month? You can see where this goes.
It's Not Just About Weight
The conversation around sleep and cravings often focuses on weight gain, but that's missing the bigger picture. The constant cycle of cravings, crashes, and energy dips affects everything:
Cognitive performance: Your brain can't focus when it's constantly seeking its next sugar hit. A study in the Journal of Sleep Research found that sleep deprivation combined with unstable blood sugar significantly impairs memory and attention.
Mood stability: The same hormone disruptions that trigger food cravings also affect serotonin and dopamine. Research links poor sleep and erratic eating patterns to increased anxiety and depression risk.
Metabolic health: Chronically elevated ghrelin and suppressed leptin don't just make you crave food, they fundamentally alter how your body processes glucose and stores fat. Studies show that sleep restriction increases insulin resistance, a precursor to type 2 diabetes.
Breaking the Cycle
The solution sounds simple: sleep better. But knowing you should sleep better and actually doing it are different things.
Start with one week. Just one week of prioritizing 7-8 hours of sleep. Track what happens to your cravings.
Day 1-2: You might not notice much difference yet. Your hormones are still recalibrating.
Day 3-4: Cravings start to ease. That desperate need for sugar at 9 AM feels less intense. You can actually think about other things besides food.
Day 5-7: Your appetite normalizes. You feel genuinely satisfied after meals. The vending machine stops calling your name mid-morning.
Most people report that within a week of consistent, quality sleep, their relationship with food changes noticeably. It's not about willpower suddenly appearing. It's about hormones rebalancing so you're not fighting your own biology.
The Real Question
The next time you find yourself craving something sweet in the morning, don't reach for the chocolate first. Ask yourself: how did I sleep last night?
Because the real fix isn't better willpower, it's better sleep.
Your body needs time to recalibrate. Leptin and ghrelin don't rebalance overnight. Your brain's reward centers don't reset after a single good sleep.
Give it a week. Seven consistent nights of 7-8 hours of quality sleep. That's when you'll notice the shift. The desperate sweet craving becomes a mild preference you can easily ignore. The raiding-the-fridge-between-meals impulse fades. Your appetite starts feeling like something you control, not something controlling you.
And if you're struggling to get that quality sleep in the first place, tossing and turning, waking up stiff, never feeling truly rested, that's a different problem with a different solution. Sometimes it's not just about going to bed earlier. It's about what you're sleeping on and whether your body can actually recover during those hours.
But start with awareness. Track your sleep. Notice the pattern between bad nights and intense cravings. Your body tells you exactly what it needs, listen to it.
Explore sleep solutions by Duroflex.
Before you reach for an antacid or book that gastroenterologist appointment, try fixing this one small thing tonight, and it costs you nothing.
The side you sleep on can directly affect your digestion and nighttime acidity. It sounds almost too simple to be true. But the science is clear, and the results can show up as early as the next morning.
Here's what's actually happening inside your body
Your digestive organs aren't arranged symmetrically. The stomach sits slightly to the left of centre, and your gut is designed to move food and waste in a specific direction. When you lie down, gravity either works with this design or against it, depending entirely on which side you choose.
When you sleep on your left side, your stomach naturally sits lower than your oesophagus (food pipe). That positioning means stomach acid is far less likely to travel upward. The lower oesophageal sphincter, the valve that keeps acid where it belongs, stays above the stomach's fluid level, doing its job properly.
Flip to your right side, and that valve dips below the fluid. Acid migrates upward more easily, and that's when the burning starts.
The problems go deeper than you think
Most people write off nighttime discomfort as "I ate too late" or "must be stress." But the root cause is often positional, and it's doing quite damage.
Acid reflux during sleep is particularly harmful because you're not swallowing regularly the way you do when awake. Saliva, which normally helps neutralise acid and push it back down, is produced at a fraction of its daytime rate while you sleep. That means acid that creeps up at night sits in the oesophagus far longer than it would during the day, slowly irritating the lining with every hour that passes.
Over time, chronic nighttime reflux doesn't just disrupt sleep. It contributes to a persistently inflamed oesophagus, disrupted sleep architecture (meaning you cycle through light sleep more than deep sleep without knowing why), morning hoarseness, a nagging dry cough that won't go away, and in long-term cases, a condition called Barrett's oesophagus, where repeated acid exposure begins to change the oesophageal lining itself.
Then there's the bloating problem. When digestion slows overnight because your body is fighting gravity instead of working with it, food and waste sit in the gut longer than they should. Bacteria ferment that undigested material, producing gas. You wake up feeling heavy, uncomfortable, or inexplicably full, not because you overate, but because your body spent eight hours working against itself.
For people who already struggle with irritable bowel syndrome, slow transit constipation, or general gut sensitivity, this effect is noticeably amplified. The gut's overnight work matters. Sleep position determines how well it gets done.
The research backs this up
A study published in the Journal of Clinical Gastroenterology found that patients with acid reflux who slept on their right side experienced significantly longer acid exposure compared to those on their left, without any change in diet or medication. Simply switching sides produced measurable relief.
Research in the American Journal of Gastroenterology further showed that left-side sleeping leads to faster oesophageal acid clearance, meaning even if some acid does travel up, the body clears it more quickly in this position.
A 2019 paper in The Journal of Neuroscience extended these findings further still, suggesting that the lateral sleep position, particularly on the left, may also support the brain's glymphatic system, which clears metabolic waste during sleep. The digestive and neurological benefits of left-side sleeping appear to be linked in ways researchers are still mapping.
Who does this matter most for
This isn't only relevant if you have a diagnosed condition. You'll likely feel the difference if you regularly eat dinner less than two to three hours before bed, if you wake up with a slightly sour taste or dry throat, if mornings tend to feel sluggish regardless of how many hours you slept, or if you experience occasional bloating that you've never been able to trace to a specific food. Right-side and back sleepers are especially susceptible, since both positions compromise the stomach's natural positioning relative to the oesophagus during the night.
How to make the switch tonight
Changing your sleep position takes a little setup, especially if your body has a strong default.
Place a firm pillow between your knees to keep your hips aligned.
Use a slightly higher pillow under your head so your neck stays neutral.
Hugging a body pillow in front of you can prevent you from rolling onto your back without realising it.
Give it 7 to 10 nights. The body adjusts gradually, not overnight, but most people notice a difference within the first few days.
One more thing worth considering: your mattress needs to support this position properly. On your side, your shoulder and hip take the pressure. A mattress that's too firm creates pressure points that push you out of position by 3am. A medium-firm mattress that contours to your body's shape makes it far easier to stay where you should, and reap the benefits all night long.
Explore our Airboost range, ideal for side sleepers.
Before you reach for an antacid or book that gastroenterologist appointment, try fixing this one small thing tonight, and it costs you nothing.
The side you sleep on can directly affect your digestion and nighttime acidity. It sounds almost too simple to be true. But the science is clear, and the results can show up as early as the next morning.
Here's what's actually happening inside your body
Your digestive organs aren't arranged symmetrically. The stomach sits slightly to the left of centre, and your gut is designed to move food and waste in a specific direction. When you lie down, gravity either works with this design or against it, depending entirely on which side you choose.
When you sleep on your left side, your stomach naturally sits lower than your oesophagus (food pipe). That positioning means stomach acid is far less likely to travel upward. The lower oesophageal sphincter, the valve that keeps acid where it belongs, stays above the stomach's fluid level, doing its job properly.
Flip to your right side, and that valve dips below the fluid. Acid migrates upward more easily, and that's when the burning starts.
The problems go deeper than you think
Most people write off nighttime discomfort as "I ate too late" or "must be stress." But the root cause is often positional, and it's doing quite damage.
Acid reflux during sleep is particularly harmful because you're not swallowing regularly the way you do when awake. Saliva, which normally helps neutralise acid and push it back down, is produced at a fraction of its daytime rate while you sleep. That means acid that creeps up at night sits in the oesophagus far longer than it would during the day, slowly irritating the lining with every hour that passes.
Over time, chronic nighttime reflux doesn't just disrupt sleep. It contributes to a persistently inflamed oesophagus, disrupted sleep architecture (meaning you cycle through light sleep more than deep sleep without knowing why), morning hoarseness, a nagging dry cough that won't go away, and in long-term cases, a condition called Barrett's oesophagus, where repeated acid exposure begins to change the oesophageal lining itself.
Then there's the bloating problem. When digestion slows overnight because your body is fighting gravity instead of working with it, food and waste sit in the gut longer than they should. Bacteria ferment that undigested material, producing gas. You wake up feeling heavy, uncomfortable, or inexplicably full, not because you overate, but because your body spent eight hours working against itself.
For people who already struggle with irritable bowel syndrome, slow transit constipation, or general gut sensitivity, this effect is noticeably amplified. The gut's overnight work matters. Sleep position determines how well it gets done.
The research backs this up
A study published in the Journal of Clinical Gastroenterology found that patients with acid reflux who slept on their right side experienced significantly longer acid exposure compared to those on their left, without any change in diet or medication. Simply switching sides produced measurable relief.
Research in the American Journal of Gastroenterology further showed that left-side sleeping leads to faster oesophageal acid clearance, meaning even if some acid does travel up, the body clears it more quickly in this position.
A 2019 paper in The Journal of Neuroscience extended these findings further still, suggesting that the lateral sleep position, particularly on the left, may also support the brain's glymphatic system, which clears metabolic waste during sleep. The digestive and neurological benefits of left-side sleeping appear to be linked in ways researchers are still mapping.
Who does this matter most for
This isn't only relevant if you have a diagnosed condition. You'll likely feel the difference if you regularly eat dinner less than two to three hours before bed, if you wake up with a slightly sour taste or dry throat, if mornings tend to feel sluggish regardless of how many hours you slept, or if you experience occasional bloating that you've never been able to trace to a specific food. Right-side and back sleepers are especially susceptible, since both positions compromise the stomach's natural positioning relative to the oesophagus during the night.
How to make the switch tonight
Changing your sleep position takes a little setup, especially if your body has a strong default.
Place a firm pillow between your knees to keep your hips aligned.
Use a slightly higher pillow under your head so your neck stays neutral.
Hugging a body pillow in front of you can prevent you from rolling onto your back without realising it.
Give it 7 to 10 nights. The body adjusts gradually, not overnight, but most people notice a difference within the first few days.
One more thing worth considering: your mattress needs to support this position properly. On your side, your shoulder and hip take the pressure. A mattress that's too firm creates pressure points that push you out of position by 3am. A medium-firm mattress that contours to your body's shape makes it far easier to stay where you should, and reap the benefits all night long.
Explore our Airboost range, ideal for side sleepers.
Duroflex for Business
Duroflex for Business
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