Examlex
The first operas originated in what country?
Narcolepsy
A condition where an individual experiences overwhelming sleepiness during the day and unexpected sleep episodes.
Sleeping Pill
A type of medication used to induce sleep or improve the quality of sleep in individuals with insomnia or other sleep disorders.
Insomnia
A sleep disorder where an individual has difficulty falling asleep, staying asleep, or experiences non-restorative sleep.
REM Sleep
A phase of sleep characterized by rapid eye movements, low muscle tone, and vivid dreams; associated with brain activity similar to wakefulness.
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