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Sleep Apnea, Causes,Signs and Symptoms, DIagnosis and Treatment.

. Chapters 0:00 Introduction 1:15 Causes of Sleep Apnea 2:00 Symptoms of Sleep Apnea 2:23 Diagnosis of Sleep Apnea 3:39 Treatment of Sleep Apnea Sleep apnea, also spelled sleep apnoea, is a sleep disorder in which pauses in breathing or periods of shallow breathing during sleep occur more often than normal.[1] Each pause can last for a few seconds to a few minutes and they happen many times a night.[1] In the most common form, this follows loud snoring.[2] There may be a choking or snorting sound as breathing resumes.[1] Because the disorder disrupts normal sleep, those affected may experience sleepiness or feel tired during the day.[1] In children, it may cause hyperactivity or problems in school.[2] Sleep apnea may be either obstructive sleep apnea (OSA), in which breathing is interrupted by a blockage of air flow, central sleep apnea (CSA), in which regular unconscious breath simply stops, or a combination of the two.[1] OSA is the most common form.[1] OSA has four key contributors; these include “anatomical compromises" like a narrow, crowded, or collapsible upper airway. Or “non-anatomical” ones like an ineffective pharyngeal dilator muscle function during sleep, airway narrowing during sleep, or unstable control of breathing (high loop gain).[11] Other risk factors include being overweight, a family history of the condition, allergies, and enlarged tonsils.[7] Some people with sleep apnea are unaware they have the condition.[1] In many cases it is first observed by a family member.[1] Sleep apnea is often diagnosed with an overnight sleep study.[8] For a diagnosis of sleep apnea, more than five episodes per hour must occur.[12]