Health Tip: Understanding Excessive Sleepiness

(HealthDay News) -- If you spend most days trying to keep your eyes open, you may have a deeper problem than ordinary lack of sleep.

The National Sleep Foundation mentions these possible causes of excessive sleepiness:

  • Self-imposed sleep deprivation.

  • Performing shift work, causing you to sleep during the day and work at night.

  • Sleep disorders, such as sleep apnea.

  • Other disorders, such as insomnia, narcolepsy or restless leg syndrome.

  • Certain medications.