Sleep is a state of complete relaxation of the body of all living things, where the sleeper can be considered unconscious, sleep is working to reorganize the activity of the brain and other organs in all living organisms, and spend one third of his life in sleep, and there is a misconception that the functions of the body mental and The physical is inactive during sleep because it occurs during sleep many complex activities in the body and brain.
The number of hours of sleep required by natural persons varies according to the person, but the number of hours a person sleeps per month is a fixed number even if he sleeps more than one night. The average number of hours the body needs for most people is 8 hours. All of them may sleep less than three hours while some sleep more than ten hours.
Some people may suffer from insomnia, lack of sleep and other people may become a significant increase in sleep and permanent drowsiness and called idle, the reasons leading to increased sleep:
- Lack of adequate rest and sleep at night, due to lifestyle or other disorders affecting sleep.
- Sleep apnea and snoring work to block the upper airway, causing sleep dislocation, causing drowsiness during the day. This disease is more common in people with obesity.
- Nervousness or obsessive-compulsive disorder The disease affects the nervous system, and people suffering from this disease have a great desire to sleep and drowsiness, which is difficult to resist, which occurs suddenly without warning.
- The occurrence of a disorder in the secretion of thyroid gland through increased secretions or lack of secretion, the patient feels the desire to sleep and a sense of laziness.
- The occurrence of disorders and changes in the secretion of hormones in the sexes in adulthood leading to sleep a lot.
- Extreme laziness and lack of activity, leading to severe sleepiness and always resort to bed.
- Increase the proportion of calcium and sodium in the body.
- To keep the hypnotic and sedative drugs.