Primary Hypersomnia

Hypersomnia is a condition in which you feel excessive sleepiness during the day. It may occur even after long stretches of sleep. Another name for hypersomnia is excessive daytime sleepiness (EDS). Hypersomnia can be a primary condition or a secondary condition.


Cluster Number:
Wiki Number: PW176
Diagnosis: Hypersomnia-Primary Hypersomnia
US Patients: 5-10% of the population
World Patients:
Sex Ratio: M+;W, more men because of their sleep apnea
Age Onset:
Brain Area:
Symptoms: excessive time sleeping or in drowsiness; lack of alertness-not fatigue; may have “sleep drunkenness” difficulty waking up.
Progression: may include narcolepsy, idiopathic hypersomnia and recurrent hypersomnia, secondary hypersomnia is part of another disease
Causes: genetic diseases causing muscular rigidity, early hydrocephalus, head trauma
Medications: Modafinil helps
Therapies: Only go to bed when sleepy; use the bed only for sleeping and sex.


The world-wide medical research
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