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The Epworth Sleepiness Scale is a questionnaire intended to measure daytime sleepiness. This can be helpful in diagnosing sleep disorders.

The instrumentEdit

How likely are you to doze off or fall asleep in the following situations, in contrast to feeling just tired? This refers to your usual way of life in recent times. Even if you have not done some of these things recently try to work out how they would have affected you.

Use the following scale to choose the most appropriate number for each situation:

  • 0 = no chance of dozing
  • 1 = slight chance of dozing
  • 2 = moderate chance of dozing
  • 3 = high chance of dozing
Situation Chance Of Dozing
Sitting and reading
Watching TV
Sitting inactive in a public place (e.g a theater or a meeting)
As a passenger in a car for an hour without a break
Lying down to rest in the afternoon when circumstances permit
Sitting and talking to someone
Sitting quietly after a lunch without alcohol
In a car, while stopped for a few minutes in traffic

To check your sleepiness score, total the points:

  • 1 - 6: Congratulations, you are getting enough sleep!
  • 7 - 8: Your score is average
  • 9 and up: Seek the advice of a sleep specialist without delay

Source: (Dement 2000)[1].


The Epworth Sleepiness Scale was developed by Dr. Murray Johns of the Epworth Hospital in Melbourne, Australia[2] [3] [4].

External linksEdit

References Edit

  1. 1.0 1.1 Dement, William C. (2000). "The Epworth Sleepiness Scale". The Sleep Well. Stanford University. URL accessed on 2006-03-27.
  2. Johns, Murray W. (1991). A new method for measuring daytime sleepiness: the Epworth Sleepiness Scale. Sleep 1991 (14): 540-5.
  3. 3.0 3.1 DrugDigest (2005). "Sleepiness Scale Health Risk Assessment". Express Scripts. URL accessed on 2006-03-27.
  4. Cephalon, Inc. (2003). "fact sheet: EPWORTH SLEEPINESS SCALE (ESS)". (PDF) Cephalon, Inc.. URL accessed on 2006-03-27.
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