On the night of sleep, you first go into a shallow sleep and then naturally go into a deep sleep, then a shallow sleep and then a deep sleep, alternating back and forth until you wake up. People may dream in a shallow sleep, but they will not fall asleep in a deep sleep. Deep sleep is also called "golden sleep", which is also commonly called "golden sleep".
Golden sleep can achieve deep sleep and restore all parts of the body to the best state. Only this kind of sleep can be called golden sleep.
Extended data
Golden sleep rule:
(1), four hours before going to bed, avoid eating irritating food.
(2) Avoid satiety. Dinner is 70% to 80% full, so don't eat it before going to bed, so as not to increase the burden on the stomach.
(3) Caffeine is a common substance that affects sleep. Many foods contain caffeine, such as coffee, tea and cola. Because the effect of caffeine can last for several hours, it is recommended not to eat caffeinated food within four hours before going to bed.
(4) Although alcohol can quickly induce people to fall asleep, it will destroy people's sleep structure, make people's sleep shallower and wake up more easily, so it is not recommended to drink alcohol four hours before going to bed.
(5) Nicotine, as an irritating substance, will make the body release adrenaline into the blood, which will make the body excited and make it difficult to fall asleep.
(6) Proper exercise and correct exercise time contribute to sleep. Many insomniacs do strenuous exercise before going to bed to let themselves fall asleep quickly. But this will make the human body in a state of excitement, so exercise should be completed at least two hours before going to bed.
(7), the bedroom should be quiet, the temperature is appropriate, not too hot, not too bright. For people who are prone to insomnia, it is recommended to draw curtains or wear an eye mask to block the light.
(8) The time to sleep well is from 9: 00 p.m. to 1 1 p.m., from 12 p.m. to 1 30 a.m. and from 2: 00 a.m. to 3: 30 a.m., at this time, the human body's energy drops, the reaction is slow, the thinking is slow, and the mood is low, which is beneficial for the human body to switch to slow-wave sleep.
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