Sleep is one of the basic needs that a person can not live without. The body during sleep relaxes the internal organs and muscles, reduces the electrical signals sent by the brain to the muscles, reduces the speed of circulation and reduces the rate of heartbeat during sleep. Life, and the renewal of cells and scavengers that need to survive in that period, and without the sleep of the human genome, where experiments have shown that humans can not live normally without sleep hours, and there is a maximum of non-sleep endured by the brain, Halos and lose the ability to think properly and control the muscles and limbs. The average daily sleep rate for each adult is four to nine hours. The number of hours of sleep per person varies according to the age and geographical area in which they live, as well as the physical and health capacity.
There are many reasons to feel the need to sleep for long periods and constant inactivity, and these reasons vary from person to person, but you can talk about common causes that are common to most cases. The first of these causes is the physical reasons, which is fatigue and high effort for long periods without sufficient food or water, leading to feeling numbness, also anemia, one of these causes, and obesity also lead to the same result, and irregularity of secretion Hormones in the body and work glands like thyroid gland. There are also coronary heart disease and liver disease, one of the main reasons for the feeling of persistent inactivity and frequent sleep periods, as well as tumors.
In addition to the physical factors, the psychological factors that can affect all people without exception, such factors or the incidence of depression and symptoms, and the stress caused by the strong problems that can not easily overcome the human, in addition to the passage of people periods of transition age, such as adolescence Or menopause in women. Of course, there are many drugs that are symptoms of idle and frequent sleep and is addressed by most people without thinking, and the most famous medicines colds and flu.