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Did you know sleeping on your left side can reduce acid reflux? Physician Dr Kunal Sood shares 5 facts about sleep

Published on: Sep 9, 2026, 19:50:06 IST
Read more to find out five facts about sleep! (Unsplash)
Read more to find out five facts about sleep! (Unsplash)
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Sleep is one of the most essential aspects of good overall health and it interacts with different bodily functions and vice versa. Dr Sood shares five facts.

The human body has some peculiar ways of connecting seemingly unrelated things, and sleep is a perfect example. Something as simple as the position you sleep in can influence symptoms such as acid reflux, while what you eat or consume before bed can affect how well you rest. Sleep is far more than just a way to shake off tiredness; it is an essential process that supports the brain, body and overall wellbeing.

Also Read | Can antidepressants make it harder to cry? Physician Dr Kunal Sood explains how SSRIs work to blunt emotional overwhelm

Dr Kunal Sood, an anaesthesiologist and interventional pain medicine physician, is highlighting five important facts about sleep and the factors that can affect its quality. In an Instagram video shared on September 8, the physician explores the relationship between sleep and everyday habits, including late-night eating, stomach discomfort, certain substances and other factors that may influence how well you rest.

Cannabis reduces REM sleep

He explains, “Cannabis will help you sleep faster (especially if you have anxiety), but will reduce your REM sleep; similar to alcohol. Research suggests THC can reduce the amount of REM sleep a person gets. REM sleep is a stage of sleep that is important for cognitive functions, memory consolidation, and overall brain health.”

Sleeping on your left side can reduce acid reflux

Acid reflux occurs when stomach acid flows back up into the oesophagus and throat, often because the valve at the bottom of the food pipe becomes relaxed or weakened. While diet and lifestyle are commonly linked to reflux, one surprisingly simple factor that may help reduce symptoms is the position you sleep in.

Dr Sood highlights, “Sleeping on your left side can help keep the junction between the stomach and oesophagus, known as the lower oesophageal sphincter (LES), above the level of stomach acid. This can help prevent acid from flowing back into the oesophagus.”

Lack of sleep can increase risk of car accidents

Many car accidents occur when drivers fall asleep at the wheel. Sleep deprivation can leave you feeling tired and sluggish, impair alertness and reaction time, and increase the risk of briefly nodding off while driving, making it a potentially dangerous activity. The physician explains, “Sleep deprivation can impair alertness, decision-making, reaction time, and increase risk of ‘micro sleeping’ which are all not ideal while driving.”

Restless leg syndrome can be a sign of nutrient deficiency

Restless leg syndrome (RLS) is a neurological sleep and movement disorder that causes an irresistible urge to move your legs, usually due to uncomfortable sensations. Dr Sood elaborates, “Restless leg could be a sign of a deficiency such as iron and vitamin B12. Important to diagnose the underlying cause of restless leg syndrome, discuss with your doctor.”

Eating before bedtime can disrupt sleep

Eating a large meal right before bedtime can negatively affect your sleep quality. This is because digestion keeps the body active when it should be winding down for rest, making it harder to fall asleep or stay asleep through the night.

The physician emphasises, “Eating a large meal two hours prior to bed can disrupt sleep. There are a number of reasons eating too close to bedtime can disrupt sleep. One reason is that eating stimulates hormones like ghrelin and insulin, which may interfere with melatonin production (the sleep hormone) and disrupt your circadian rhythm.”

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

Dr Kunal Sood, MD, is a double board-certified physician in Anesthesiology and Interventional Pain Medicine. He did his residency and fellowship in anesthesiology at Wayne State University in Detroit, Michigan, followed by a one-year fellowship in interventional pain medicine. He later became the Medical Director of the office in Germantown, Maryland.

 
ABOUT THE AUTHOR
Eshana Saha

Eshana Saha is a fresh face in lifestyle and cultural journalism, bringing a refined, multidisciplinary perspective to the intersection of entertainment, fashion and holistic wellbeing. With less than a year of professional experience, she has quickly adapted to high-pressure editorial environments and currently works full-time with HT Media. Prior to this, she interned for nearly six months with Hindustan Times’ entertainment and lifestyle vertical, where she gained hands-on experience in digital reporting, trend analysis and editorial storytelling. Based in New Delhi, Eshana specialises in comprehensive coverage of major cultural moments — from international film press tours to the curated aesthetics of global fashion showcases, award shows and music-centred events. She holds a Bachelor’s degree in English from St Xavier’s University, Kolkata, and a Master’s degree in English from the University of Delhi, equipping her with a strong academic foundation and a keen ability to deconstruct complex cultural trends into clear, high-impact narratives. Beyond the red carpet, Eshana has developed a growing focus on health and wellbeing reporting. She bridges the gap between celebrity-driven trends and practical, evidence-informed lifestyle advice, ensuring her work remains both aspirational and grounded in editorial rigour. She has extensively covered the health implications of Delhi’s air pollution crisis, while also playing a key role in amplifying expert-led insights on women’s health and mental wellbeing, helping translate complex medical perspectives into informed, impactful public awareness. An artist at heart, she explores multiple creative forms — from visual arts and music to culinary experiments — and brings a creative’s eye for nuance, texture and detail to every story. Whether analysing runway dynamics or examining emerging wellness movements, she remains committed to accuracy and the highest standards of contemporary journalistic ethics.

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Catch your daily dose of Fashion, Taylor Swift, Health, Festivals, Travel, Relationship, Recipe and all the other Latest Lifestyle News on Hindustan Times Website and APPs.
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