/mɑːnoʊˈfeɪziə/ (MAH-noh-FAY-zee-uh)

Definitions

1. noun

A type of sleep disorder where the body’s internal clock is stuck in one phase of the sleep-wake cycle, resulting in insomnia or excessive daytime sleepiness.

“The doctor diagnosed the patient with monophasia, which caused her to have difficulty falling asleep at night.”