10 Causes of Hypersomnia
Cause #7: Clinical Depression
Excessive daytime sleepiness is a common complaint among those who suffer from depression. It is considered a consequence of depression due to the disturbances in monoamine activity. It has also been suggested that hypersomnia and depression have common genes and might be inherited together.
It has also been previously recommended that patients with excessive daytime sleepiness be assessed for obesity, depression, and diabetes regardless if there is a sleep disordered breathing.
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