• Reviewed on 9/09
    By Dr. Lee-Chiong


    • Teofilo Lee-Chiong, Jr, MD

      Teofilo Lee-Chiong, Jr, MD
      Dept. of Medicine
      Chief, Division of Sleep Medicine


      View full profile

Excessive Sleepiness: Causes


Common causes of excessive sleepiness and ways to manage them include:

  • Chronic Lack of Sleep: This is a common cause of excessive sleepiness. It is important to get enough sleep. Getting enough sleep each night will help you maintain normal alertness and performance while awake. Review the chart below to see how much sleep you need and make that your goal every night.

Age

Sleep Needed

Newborns (1 to 2 months) 10 to 18 hours
Infants (3 to 11 months)
9 to 12 hours nightly
Up to four, 30 minute to 2-hour naps daily

Toddlers (1 to 3 years)
12 to 14 hours
Preschoolers (3 to 5 years) 11 to 13 hours
Elementary school kids (5 to 12 years)
10 to 11 hours
Teens (13 to 17)
8.5 to 9.25 hours
Adults
7 to 9 hours
Older adults
7 to 9 hours

Table Source: kintera.org

  • Interruptions to Sleep: A person may allow plenty of time for sleep, but sleep time can be interrupted by sleep apnea, periodic limb movements pets and children.
  • Body Clock Disturbances: This can include shift work or jet-lag. Try keeping the same schedule every day. Medications and natural supplements such as melatonin may help this.
  • Medications/Sedating Medicines: Talk to your doctor if your use of sedating or pain medicines is causing excessive sleepiness. Some medications may have sleepiness as a side effect so address this also with your doctor. He or she may be able to find a medication that is just as effective but that is less sedating..
  • Other Conditions: Narcolepsy and circadian rhythm sleep disorders are a couple of other disorders associated with sleepiness. Narcolepsy occurs when there is a problem with the part of the brain that controls sleep and wakefulness. It may be managed with medication and scheduled naps. Circadian rhythm sleep disorders are disturbances of your internal clock's rhythm and may be managed with light therapy and slow adjustments to a person's sleep schedule.

 

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The Sleep Center


The Sleep Center at National Jewish Health is the oldest and most comprehensive sleep medicine program in the Denver region.

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Sleepiness Scale


Sleeping woman Are you sleepy all the time? Use the Epworth Sleepiness Scale (ESS) to measure your daytime sleepiness.

Sleepiness Scale