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