polysomnogram

[pol-ee-som-nuh-gram]

noun

1. a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. PSG

Other Word Forms

• polysomnography noun

Word History and Origins

Origin of polysomnogram¹

poly- + Latin somn ( um ) sleep + -o- + -gram ¹; for sense of poly-, polygraph

Example Sentences

If a sleep-disrupting problem is suspected, an overnight sleep lab polysomnogram may be in order.

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This may not detect mild apnea and is prone to false negatives, so if results are negative but your doctor strongly suspects apnea, you’ll need a polysomnogram.

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You don’t need a polysomnogram to diagnose RLS unless your doctor can’t pinpoint which sleep disorder you have.

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To properly diagnose OSA, you’ll need a sleep lab polysomnogram or an overnight home sleep apnea test, where electrodes record breathing and heart rate, blood-oxygen levels and chest movements.

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Doctors rely on results from a sleep study, or polysomnogram, done while you're hooked up to electrodes in a sleep lab.

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