Hypersomnia

Science / Psychiatry / Hypersomnia: Excessive sleepiness, as evidenced by prolonged nocturnal sleep, difficulty maintaining an alert awake state during the day, or undesired daytime sleep episodes. ideas of reference The feeling that casual incidents and external events have a particular and unusual meaning that is specific to the person. This is to be distinguished from a delusion of reference, in which there is a belief that is held with delusional conviction

Bipolar Disorder

Science / Psychiatry / Bipolar Disorder: An affective disorder characterized by extreme changes in mood ranging from mania to depression. This mood disturbance is also known as manic depression. MORE

Dyssomnia

Science / Psychiatry / Dyssomnia: Primary disorders of sleep or wakefulness characterized by insomnia or hypersomnia as the major presenting symptom. Dyssomnias are disorders of the amount, quality, or timing of sleep. MORE

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