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 This should only be used for "entertainment", because OSA (obstructive sleep apnea) might not become apparent with this study. We assume no liability for outcomes of this test, and you by using this test, assume all responsibilty contained herein. If you believe you might have sleep apnea you should contact a doctor.

 

Situation

Chance of Dozing
Sitting and reading

 
Watching TV

 
Sitting, inactive in a public place (e.g. a theatre 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 the traffic

 

Note: The following section is interactive and can only be viewed through Internet Explorer 3.0 or higher.

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 = would never doze
  • 1 = slight chance of dozing
  • 2 = moderate chance of dozing
  • 3 = high chance of dozing

 

Epworth Sleepiness Scores (ESS) by Diagnosis

Diagnosis

Epworth Sleepiness Score

Range

Normal Controls

5.9 ± 2.2

2 - 10

Primary Snoring

6.5 ± 3.0

0 - 11

OSA

11.7 ± 4.6

4 - 23

Narcolepsy

17.5 ± 3.5

13 - 23

Idiopathic hypersomnia

17.9 ± 3.1

12 - 24

Insomnia

2.2 ± 2.0

0 - 6

PLMD

9.2 ± 4.0

2 - 16

In OSA, ESS > 16 was only seen in patients with moderate to severe disease.