In 2008 there is a new celebration of world sleep day. Healthy sleep is the basis of the normal operation of the whole organism. It strengthens the physical, mental health, protects against overvoltage.
Lack of sleep in some cases can lead to the development of depression and somatic diseases: gastritis, diabetes, coronary heart disease. Especially important is sleep for growing young children.
Normally, the child 5-7 years should sleep 10-11 hours per day, and adult - 7-9 hours.