EDS can result from numerous underlying conditions, including but not limited to:
- [Sleep Apnea](): A serious sleep disorder where breathing repeatedly stops and starts. - [Narcolepsy](): A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep. - [Insomnia](): Difficulty in falling or staying asleep. - [Restless Legs Syndrome (RLS)](): An uncontrollable urge to move the legs, especially at night. - [Circadian Rhythm Disorders](): Misalignment between the internal body clock and the external environment. - [Medication Side Effects](): Certain medications can cause drowsiness as a side effect. - [Psychiatric Disorders](): Conditions like depression and anxiety can disrupt sleep patterns.