Should sleep up

Xuanwu hospital affiliated to capital medical university neurology MinBaoQuan

Source: health

        During the Spring Festival, many night watching movies, playing mahjong, play games, sleep to nature to wake up the next day. Just after the holiday will be attached to the seven days class, believes that many people in the morning when all want to sleep up, until we have to get up. Please have a look at --

        People at the time of waking up, the brain by inhibiting XiangXingFen state transition, but the brain cortex will automatically send out shallow sleep's instructions, let a person want to continue to sleep. If you go to sleep at this time, it is commonly known as the crawl. We wake up to sleep for a while, and then wake up, the brain nerve activity by inhibiting becomes active, will make people feel energetic and alert after wake up. If the alarm clock wake up suddenly and forcibly wake up, the brain's arousal process is very reluctantly, people will be lack of energy, which feature, dry eyes, mood swings and other discomfort, may also increase the risk of hypertension and cardiovascular disease. So wake up again after a short rest in bed, or sleep up approach is desirable.

        In fact, everyone's situation is not the same, the majority of people in the evening 6 ~ 8 hours sleep is enough, do not need to sleep up. And some people like to sleep up, especially when slightly owe sleep time, sleep back to spoil feeling more comfortable. The author proceeds is like sleep. There is another kind of circumstance, some people eat breakfast and morning exercise up sleep again after go home. The body metabolism and thinking speed after the event and enhancing the body flexibility, if up to sleep at this time, caused by muscle activity of lactic acid substances such as not easy metabolic, prone to limbs weakness, the feeling of fatigue. Especially after the morning exercises to sleep quickly, cardiopulmonary function is adverse to human body.

        Sleep is good to wake up to see whether head clear, body relax, feel better and full of energy. After waking up a little drowsiness is a common, but under normal circumstances will eliminate activity 10 ~ 20 minutes. People there are individual differences in sleep time, short sleepers 3 ~ 5 hours, long sleepers can be up to 9 ~ 11 hours. The nature of human tend to polyphasic sleep, rather than we used to monophasic sleep now. Monophasic sleep means you go to sleep at night and work during the day. Polyphasic sleep refers to within a day of sleep for many times, such as draining sleep or nap. Everyone has their own habit, some people used to sleep during the day, and don't sleep up can't concentrate on my work in the afternoon. On schedule, follow the circadian rhythm of sunrise and make, whether he is the best, but in the fast pace of life and working hours are not fixed in the real life, people can have certain flexibility in their sleep habits. General principle is feeling energetic during the day, the body is comfortable.

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