Obstructive and Central Sleep Apnea Topic Guide
Sleep Apnea (Obstructive and Central): There are two types of sleep apnea: Sleep apnea can be caused by many factors such as strokes, heart failure, medications, or physical structures in the throat and mouth. Treatment range from medical devices to surgery.
Sleeplessness and Circadian Rhythm Disorder A person's circadian rhythm is an internal biological clock that regulates a variety of biological processes according to an approximate 24-hour period. A disorder of the circadian rhythm may cause sleeplessness on at transient or chronic basis. The disorder can be caused by:
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