Sleep determines health

People sleep regularly, which is basically divided into deep sleep and light sleep. After repeated alternation, they finally know that they are awake. Deep sleep is the most sweet time for people to sleep, while light sleep can disturb our sleep a little bit.

Research shows that in deep sleep, human cortical cells are in a state of full rest, all kinds of life activities are reduced to the lowest level, and the secretion and release of pituitary growth hormone reach the peak, which is very important to stabilize emotions, balance mentality and restore energy.

Seven good places for deep sleep:

1. Eliminate fatigue: the energy and physical strength consumed in the day can be recovered, fatigue can be eliminated, and the energy can be stored for the needs of the next day, so that the spirit of the next day is fresh and energetic.

2. Immunity and disease resistance: experiments show that many antibodies can be produced during deep sleep, which can enhance the disease resistance ability and promote the self-healing ability of various tissues and organs of the body.

3. Promote growth: about 70% of growth hormone occurs in deep sleep. Children can promote growth and development, and adults can decompose fat.

4. Enhance memory: memory is mainly sorted, screened and synthesized in deep sleep. Sleep is not good, students can not remember the knowledge, adults, the elderly are slow, forgetful.

5. Speed up metabolism: deep sleep can promote the absorption of nutrition, the synthesis of protein and the excretion of metabolites.

6. Keep young forever: "beautiful women sleep out" means that the facial blood circulation in deep sleep is 1-2.5 times of the normal unit time; the exfoliated epithelial cells are 1-2.5 times of the normal unit time.

7. Secrete longevity factor: sleep is the best tonic. The better the sleep quality, the longer the deep sleep time and the longer the relative life span.

Experts believe that one and a half hours of sleep is deep sleep, followed by light sleep. After about 20 minutes, people return to deep sleep. After that, they alternate deep and light sleep in a 90 minute cycle, with about 4-5 cycles in a night. The first three hours of sleep are very important, during which time, deep sleep accounts for almost 90%.

"What is better than sleep", the mark of good sleep is deep sleep. The mental state after getting up the next day is a preliminary measure of whether sleep is enough, and sleep quality is the key to affect the time you need to sleep. The quality of sleep depends on whether you can get into deep sleep as soon as possible, and whether you can have long-term deep sleep.

If you can, it may not take that long for your total sleep to reach the "enough" standard. When we are in deep sleep, the frequency of brain wave activity decreases, which is the stage when the brain really gets enough rest. If you are constantly disturbed by various factors when you sleep, you will never be able to enter deep sleep state, or the time of deep sleep is too short, the brain can not get enough rest, even if you sleep for a long time, you will feel weak and aching all over.

There are also many ways to improve sleep, such as dietotherapy, eating light vegetables, better not to eat too greasy food, such as soaking feet before sleep, relaxing the whole body, drinking a cup of honey tea or milk, listening to light and soft music, etc., can improve sleep, and promote our ability to enter deep and healthy sleep.