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Postprandial somnolence (colloquially known as food coma, after-dinner dip, or "the itis") is a normal state of drowsiness or lassitude following a meal. Postprandial somnolence has two components: a general state of low energy related to activation of the parasympathetic nervous system in response to mass in the gastrointestinal tract , and a ...
Feeling tired after eating is common and many factors can cause that post-meal fatigue, from the types of foods you ate to underlying conditions. The Real Reason You Feel Tired After Eating—and ...
The alleged mechanism for the feeling of a crash is correlated with an abnormally rapid rise in blood glucose after eating. This normally leads to insulin secretion (known as an insulin spike ), which in turn initiates rapid glucose uptake by tissues, either storing it as glycogen or fat , or using it for energy production.
“After eating a big meal, you may not feel like you can ingest anything else, but sipping water afterward can make you feel better by keeping you hydrated,” says Shelley Balls, M.D.A., RDN ...
When a person is sufficiently fatigued, microsleeps may be experienced. In individuals deprived of sleep, somnolence may spontaneously dissipate for short periods of time; this phenomenon is the second wind , and results from the normal cycling of the circadian rhythm interfering with the processes the body carries out to prepare itself to rest.
Many reasons people feel hungry right after eating can be rectified with lifestyle tweaks like getting more sleep. However, Zumpano says this issue can be a sign of an underlying health issue such as:
After describing the known mechanisms of blood glucose regulation, the authors call for more research: The body's normal response to carbohydrate ingestion includes elaboration of an as yet unidentified hormonal (gut) factor from the upper intestine. They say that a glucose tolerance test is appropriate but caution that:
If you still feel hungry after eating, wait 20 to 30 minutes before having a snack, she urges. You should give your body a little time to start the digestive process—and the hunger might go away.