Examlex
Find , if and .
Suprachiasmatic Nucleus
A region of the brain located in the hypothalamus, responsible for controlling circadian rhythms, including the sleep-wake cycle.
Biological Clock
A mechanism present in organisms that enables them to regulate their bodily rhythms and behaviors in sync with the day-night cycle.
Melatonin
A hormone produced by the pineal gland in the brain, involved in regulating sleep-wake cycles.
Sleeping Pill
A medication used to induce or maintain sleep.
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