[Why is sleep good for you? 】
Everyone has realized that we live in an age of deprivation of sleep, because our achievements in work and the necessary family life are closely related to our ability to keep our minds clear and quick-minded during the day – but our What kind of price does the body have to pay?
Only when we sleep can we rehabilitate our body with amino acids released from the protein we eat every day. There is a special stage of sleep, REN (rapid eye movement), which allows our immune system to release more immune cells. Without this important stage of sleep, our immune system will inevitably experience a recession and lack of protection. The weakness of the body and the balance of sleep are regulated by the two corticosteroids secreted by the adrenal glands, cortisol and adrenaline. These two hormones make us wake up in the morning and also regulate the main hormones of our stress. When a person is over-tired, these hormones are regularly secreted during the day, but when the adrenal gland is fatigued and unable to secrete sufficient cortisol and adrenaline, their ability to wake up in the morning is diminished. If you feel very tired when you wake up in the morning, this is some of the main symptoms of adrenal fatigue.
The role of sleep
Sleep has different benefits for our body, its main function:
When we rest, the hormones secreted by the pituitary can stimulate our organs and tissues to repair themselves.
When the metabolic rate is reduced, it can reduce the alienation of organ cells, making it unnecessary for the body to release the same amount of energy as during the day.
Reduce the need for oxygen, make the lungs more rhythmic, and reduce the amount of oxygen required in the body.
The immune system is maintained by stimulating the bone marrow to release more immune cells.
Psychologically speaking, sleep helps to absorb daytime experience, increase the reserves of information and knowledge, and properly classify dreams. It is an extension of the information stored in the classification.
Lack of sleep suppresses these activities and distort our perception of ourselves or other things.
Sleep mode (or sleep stage)
Sleep can be divided into two phases: REM for deep sleep; non-REM or shallow sleep. Deep sleep accounts for about 20% of total sleep. Shallow sleep can be the following four types of atmosphere.
The first type of dozing - at this stage the body usually twitches or vibrates (sleeping scared)
The second type of mild sleep (such as the sound of knocking on the door)
The third type of moderate sleep (you may not hear any sound outside the house)
The fourth type of severe sleep (you can't hear any sound) - at this stage, your breathing rhythm and heartbeat will become very balanced and slow.
Deep sleep sometimes occurs during shallow sleep. However, changes in the next body must be brought to the attention. The body's metabolic rate rises, breathing increases, and the eyeball can be seen moving quickly under the eyelids. At this stage, we usually dream, and it is easy to wake up, only one department of the whole sleep is awake. Interestingly, the nerves released from the spine at this stage are actually blocked, allowing the whole body muscles to relax and reduce movement. This is why some people feel that they can't move when they wake up from their dreams or wake up from a nightmare.
The length of the sleep cycle varies from child to adult. The average length of the baby's sleep is only 50 minutes; it is about 90 minutes when entering adolescence. That's why we sleep at least 6 hours a night and 9 hours is the best reason. This is to ensure the integrity of several other stages of sleep.
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