According to the National Heart, Lung, and Blood Institute (NHLBI), sleep is critical to a healthy life.
What are the benefits of sleep
Sleep improves physical well-being.
During sleep, other important hormones are also produced, for example, melatonin and somatotropin; they are involved in the regulation of metabolism and general hormonal levels.
During sleep, the body restores energy, repairs damaged cells and tissues, and improves immunity.
Sleep relieves a person from fatigue, gives him energy, clarity of thinking, creative activity, a high level of performance, sleep protects a person from the development of cardiovascular diseases and reduces the risk of obesity.
How sleep is important
Sleep is very important. It is during sleep that the body is restored, including hormonal levels, immune and other systems.
In addition, sleep is involved in remembering useful information that a person received during the day.
How many hours a day should you sleep
This is determined genetically. On average, adults need seven to nine hours of sleep at night, although there are those in this age group who need six to six and a half hours of rest, or, conversely, 10.
For people over 65, sleep needs vary between seven and eight o'clock.
