Many foods can either interrupt sleep or keep people from falling asleep. Spicy foods and some medications may cause heartburn, and they may stimulate chronic heartburn known as gastroesophageal reflux disease (GERD). Foods with lactose may cause abdominal cramping, bloating, and diarrhea in people who are lactose intolerant. Food, drinks, and medicines containing caffeine make it hard to fall asleep and cause sleep to be fragmented. And alcohol consumption results in fewer restful stages of sleep.
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