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The test has limitations that can affect the test's accuracy. The test is based on subjectivity and therefore may not be accurate when factors such as: the test takers opinions on their sleep, how others view their sleepiness, education level, and others are considered. [11] The test can be biased as pre-emptive discussion of results can have ...
Sleep apnea (sleep apnoea or sleep apnœa in British English) is a sleep-related breathing disorder in which repetitive pauses in breathing, periods of shallow breathing, or collapse of the upper airway during sleep results in poor ventilation and sleep disruption.
Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder and is characterized by recurrent episodes of complete or partial obstruction of the upper airway leading to reduced or absent breathing during sleep.
Obstructive sleep apnea is an obstruction in your upper airway that stops normal breathing for a brief time while you're sleeping. In some people, this can occur hundreds of times each night.
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Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").