Hypersomnia is a common but overlooked sleep issue in bipolar disorder. Learn how excessive sleep affects mood stability, ...

Medically reviewed by Sanja Jelic, MD A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is ...

Symptoms of winter-pattern seasonal affective disorder: Increased sleep or hypersomnia: "This involves sleeping more than usual or feeling the need to nap during the day, which can worsen feelings ...

This was highlighted by Dr Sermed Mezher in a recent reel posted on Instagram, “People with KLS experience recurring episodes where they sleep excessively, sometimes up to 20 hours a day, for weeks at ...