what is sleep disorder
A sleep disorder, or somnipathy, is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental, social and emotional functioning.Polysomnography and actigraphy are tests commonly ordered for some sleep disorders. Sleep apnea, obstructive sleep apnea, obstruction of the airway during sleep, causing lack of sufficient deep sleep, often accompanied by snoring. 2  Other forms of sleep apnea are less common. 3  When air is blocked from entering into the lungs, the individual unconsciously gasps for air and sleep is disturbed.