Hypersomnia, or excessive sleepiness, is a condition in which a person has trouble staying awake during the day. People who have hypersomnia can fall asleep at any time; for instance, at work or while they are driving. They may also have other sleep-related problems, including a lack of energy and trouble thinking clearly.

According to the National Sleep Foundation, up to 40% of people have some symptoms of hypersomnia from time to time.

Other Issues

Hypersomnia may lead to napping repeatedly during the day, hallucinations and slow thinking \ speech.


  • Tendency to fall asleep anytime anywhere – in the middle of an activity like driving, conversing, etc.
  • The chronic sleepiness results in frequent naps, which are non-refreshing.
  • Confusion and disorientation on waking up.
  • Sleeping for inordinately long hours and finding it tough to wake up.
  • Irritability, depression, slowness in speech and thinking, hallucinations.


Possible treatments for Circadian Rhythm sleep disorder include:

If you are diagnosed with hypersomnia, your doctor may suggest changes to your sleep environment and sleep routines or prescribe medications.