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 Words From

• pol·y·som·nog·ra·phy [pol-ee-som-, nog, -r, uh, -fee, -s, uh, m-], 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.

From Washington Post

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.

From Washington Post

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

From Washington Post

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.

From Washington Post

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

From US News