There are two kinds of sleep: non-rapid eye movement eye movement (NREM) and rapid eye movement (REM) sleep.
A sleep disorder (somnipathy) is a medical disorder of the sleep patterns of a person or animal. Sleeping is the on of the most important factor in life. The sleep disorder is mainly occurred in between the age group of 30 to 50 years and olders. Most of persons must have sleep 6 to7 hours and teenagers are sleep 8 to 9 hours. We have been dealing with sleeping issues for a long time, both personally and professionally. Many people have problems falling asleep, staying asleep or simply sleeping well. The sleep disorder is mainly appeared in men (4%) than in women (2.5%).