Examlex
When using a Poisson distribution to approximate a binomial distribution, the mean of the Poisson distribution is np where n is the sample size and p is the probability of an event of interest.
REM Behavior Disorder
A sleep disorder in which sufferers physically act out vivid, often unpleasant dreams with vocal sounds and sudden, violent arm and leg movements.
Narcolepsy
A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep, often linked to a deficiency in the brain neurotransmitter orexin.
Somnambulism
A condition also known as sleepwalking, where an individual engages in activities that are usually performed during a state of full consciousness while being asleep.
Sleep Apnea
A condition marked by interruptions in breathing or instances of light breathing while asleep.
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