To keep healthy sleep must know knowledge

Why to sleep

it is said that the scientists also don't understand why people want to sleep, sleep so a commonplace, think carefully and mysterious. To eat because of hungry, reproduction is to survive, but sleep makes us in danger. Dolphins can do half the brain to rest half awake brain, scientists have proposed some conjecture. Such as, waking brain will secrete some toxins, sleep in the metabolism. 。 。 Of course, no matter how, when sleeping can alleviate our state of mind, the street random survey, one hundred people what the most comfortable, of which ninety people would say that the most comfortable sleep.

sleep is bad for health of body and mind

don't understand why don't want to sleep, if you try really don't sleep, and then you can feel all kinds of negative influence on it. 。 。 Lack of sleep the negative effects of almost everyone experiences. The runway at school Internet bar all night, the second day had to strong play spirit in class; Stay up late to watch TV online, the second day still have to go to work; Continuous working night and the next day as collapse. 。 。 And that is just the spirit, lack of sleep will also increase the risk of cardiovascular disease, diabetes.

the survey found that as long as a few days less than four hours of sleep, there will be a sign of glucose intolerance and metabolic syndrome. At this time as long as there is one day return to normal sleep, can make various physiological index returned to normal.

why do you feel how sleep all sleep not enough

at eight o 'clock in the morning wake up feel not enough sleep, wake or sleep at ten o 'clock, the reasoning behind this has two kinds: one kind is really less sleep; The other is as if didn't sleep enough. This problem is a little man, such as small make up today wake up feel refreshed, that is a reflection of sufficient sleep, occasionally will not wake up. To sum up, this morning I sleep enough reason has two: last night I slept one hour earlier than usual, my home is peaceful sleep mattress. 。 。 Hee hee

sleep deprivation and false sleep

although said wake up in the morning sleep is not enough, but generally don't be sleepy all day, it is lack of sleep. Many used to go to bed until twelve o 'clock at night, for less than is not willing to part with or use to turn off the lights, at the end of the day or even more than the time also can not sleep, was forced to take sleeping pills. 50% of people sleep time every day than they think they need less sleep time average 25 minutes, however, only 20% of people feel tired during the day. Urge fellow workers, get up to muster, don't give yourself a chance to make bed, more don't be punished for being late.

sleep can help learning and memory of the day we see

don't suddenly remember in our mind, still have to 'decode' through the brain. Small make up before hand blow out the sound of theory and application, Bai Tianxue didn't learn a day, how to blow all don't ring, posture, main point is right, but a night's sleep, wake up the next day immediately blew, I interpret this as 'decode' brain for my memories, let my nerves can understand this part of the behavior.

can sleep a few hours a day with friends to a day of rest can sleep for ten hours in a row, if a few days rest, can't all over ten hours, some will be reduced to 9 hours. The oldest person in the sleep time is 6 ~ 7. 5 hours.

a nap why is it hard to wake up

every company have an hour lunch break, some colleagues nap wake up feel more tired, more trapped. This is because we are in sleep, the brain a default time to sleep, if be directly to wake up at this moment, the brain is very difficult to recover quickly, so have to sit at the computer to go for a period of time to complete awake, nap time had better not more than half an hour.