hypnody
/ˈhɪpnədi/Definitions
1. noun
A state of drowsiness or sleepiness, especially one induced by the repetition of a monotonous sound.
“The hum of the engine induced a state of hypnody in the driver.”
2. noun
A type of sleep disorder characterized by recurring episodes of sleep paralysis and hypnagogic hallucinations.
“The doctor diagnosed her with hypnody, a rare sleep disorder that required specialized treatment.”