Examlex
On a multiple choice test with 11 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the number of correct answers.
Sleep Apnoea
A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep.
Somnambulism
A sleep disorder in which people walk or perform other activities while they are still asleep; commonly known as sleepwalking.
Insomnia
A sleep disorder characterized by difficulty falling asleep, staying asleep, or obtaining restorative sleep, leading to daytime impairment.
Pseudoinsomnia
A condition where individuals believe they have slept less than they actually have, often perceiving their sleep as insufficient or unrefreshing.
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