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Paraphrasing is
Serotonin
A neurotransmitter in the brain that regulates mood, appetite, and sleep, among other functions, and is associated with feelings of well-being and happiness.
Polysomnography
A comprehensive sleep study used to diagnose sleep disorders, monitoring brain, heart, lung, and muscle activity during sleep.
Restless Legs Syndrome
A neurologic disorder characterized by an uncontrollable urge to move the legs, usually due to an uncomfortable sensation; typically occurs during periods of inactivity or at night.
Obstructive Sleep Apnea (OSA)
A disorder characterized by repetitive episodes of blocked breathing during sleep, often resulting in reduced oxygen levels.
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