Sleep problems often manifest as restlessness at night, frequent awakenings, or fatigue during the day. For some, the problems are persistent and difficult to explain.
According to health research, sleep can be affected by the body’s internal systems, including the stomach and intestines.
Sleep and the body
Sleep is not controlled by the brain alone. The body has a close interaction between the nervous system and digestion. This connection is known as the gut–brain axis.
When digestion is out of balance, it can affect the signals that help the body fall asleep and remain in deep sleep.
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Healthline notes that people with disorders of the gastrointestinal tract often experience poorer sleep quality.
This can mean waking up several times during the night or feeling unrefreshed in the morning.
Irritable bowel syndrome and sleep
Irritable bowel syndrome is a common condition that, among other symptoms, causes abdominal pain, bloating, and changes in bowel movements.
According to a large analysis published in PLOS One, approximately four out of ten people with irritable bowel syndrome also live with a sleep disorder.
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There are also frequent overlaps with anxiety, depression, and chronic pain.
These conditions can themselves make it difficult to sleep and may therefore further worsen the situation.
How to improve your sleep
For many people, small adjustments in daily life can help reduce both digestive discomfort and sleep problems.
A stable sleep pattern with consistent bedtimes can help the body regulate its internal rhythms and create greater calm in the nervous system.
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Relaxation techniques such as breathing exercises, meditation, or calm evening routines can have a positive effect.
Some people also experience fewer symptoms by limiting stimulating substances such as caffeine or by paying attention to foods that trigger digestive discomfort.
Finally, light to moderate physical activity during the day can support both digestion and more continuous sleep at night, without placing unnecessary strain on the body.
Sources: Healthline, and PLOS One.
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