Diseases

Hypersomnolence

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Hypersomnolence is characterized by recurrent episodes of excessive daytime sleepiness or prolonged nighttime sleep. It has previously been referred to as “hypersomnia,” but this name does not capture both components of its definition.

SYMPTOMS

Excessive sleep. ...
Excessive daytime sleepiness.
Difficulty waking from sleep (even long sleep) even with the aid of multiple alarms, lights, and help from other people.
Sleep inertia/drunkenness. ...
Taking long, unrefreshing naps. ...
Cognitive dysfunction.

CAUSES

There are several potential causes of hypersomnia, including: the sleep disorders narcolepsy (daytime sleepiness) and sleep apnea (interruptions of breathing during sleep) not getting enough sleep at night (sleep deprivation) being overweight.