An effective nap can obviously relieve the tension during the day and regulate the autonomic nerve function and endocrine function. Blood pressure, heart rate, blood sugar and digestive tract function are all related to autonomic nerve function and endocrine function, which can optimize the body function and reduce the incidence of various chronic diseases.
Napping can reduce the incidence of coronary heart disease and the risk of hypertension in women, especially premenopausal women. The correct way to take a nap can improve work efficiency in the afternoon and evening, and improve memory and creativity.
In 2007, a study of 24,000 adults by Harvard School of Public Health found that people who took a nap were 40% less likely to die of heart disease than those who didn't take a nap. Carl Doug Hamiki, director of the Center for Sleep Disorders Research at Thomas Jefferson University in the United States, believes that in fact, the nap time is not necessarily long, and it is also very effective to lower your head and close your eyes when you are sleepy.
Extended data
Matters needing attention
1, it is not advisable to take a nap immediately after meals. Because the stomach is full of undigested food after lunch, lying down at this time will make people feel full. The correct way is to do some light activities after lunch, such as walking and taking a nap for about half an hour, which is beneficial to the digestion and absorption of food.
2. Be sure to keep warm during lunch break and cover the quilt, because people's body temperature is relatively low after falling asleep, and the cold and heat are uneven when falling asleep and awake, which may easily lead to diseases such as colds.
3. The nap time should not be too long, preferably within 1 hour. Studies have shown that people's sleep can be divided into two stages: shallow sleep and deep sleep. Usually, after sleeping for 80 ~ 100 minutes, people gradually change from light sleep to deep sleep. If people suddenly wake up in the deep sleep stage, because the deep inhibition process of the cerebral cortex can not be lifted immediately, it will cause short-term blood supply to the brain.
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