What Happens to Your Body if You Sleep on Your Stomach for 30 Days, Experts Explain
Health Desk
Published: 14 December 2025, 12:38 pm
People have different preferences when it comes to sleeping positions. Some feel comfortable curled up, while others prefer lying straight on their side. Many people, however, favor sleeping on their stomach, as it often helps them fall asleep quickly. But is this habit really healthy for the body?
According to experts, sleeping on your stomach for long periods keeps the body in an unnatural position, affecting everything from the spine to breathing and digestion. Dr. Sunil Kumar, Lead Consultant (Interventional Pulmonology) at Aster CMI Hospital, Bengaluru, explains the risks.
Impact on Neck, Spine, and Body Posture
Sleeping on your stomach for 8 hours a day over 30 consecutive days can cause short-term neck pain, shoulder discomfort, and stiffness in the back. Dr. Kumar notes that turning the neck to one side for prolonged periods prevents the spine from staying straight, placing extra pressure on the lower back and causing tingling sensations.
Over time, this habit may lead to chronic neck pain, excessive strain on the lower back, poor posture, muscle imbalance, and stiff chest muscles. It can also cause shoulders to lean forward during the day.
Effects on Breathing, Digestion, and Circulation
Sleeping on your stomach puts direct pressure on the chest and abdomen, which can make breathing shallow. Over time, this reduces the ability to take deep breaths and may limit oxygen flow in the body. Pressure on the stomach can also increase the risk of acidity or acid reflux.
Additionally, body weight can compress nerves and blood vessels in the arms and legs, impairing circulation. While some people may snore less in this position, abnormal neck pressure can increase the risk of sleep apnea or long-term discomfort.
Risk of Nerve Compression and Chronic Pain
Sleeping on your stomach for 30 days increases the risk of nerve compression. Prolonged neck rotation and excessive lower back arching can press on nerves, causing tingling in hands and feet, stiffness, joint pain, and discomfort during daily activities.
Tips to Safely Change Your Sleeping Habit
For those wanting to switch from stomach sleeping, Dr. Kumar offers practical advice:
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Place a supportive pillow under your knees while sleeping.
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Keep firm pillows along your sides to prevent rolling onto your stomach.
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Use a medium-firm mattress to support your spine.
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Use a thin pillow for the neck, or sleep without a pillow if needed.
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A body pillow can help maintain a comfortable posture.
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Place a rolled towel under your lower back for light support.
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Gradually practice sleeping on your side, placing a pillow between your knees.
Experts emphasize that a proper sleeping position not only improves sleep quality but also plays a crucial role in maintaining long-term physical health.
Source: Indian Express
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