Epworth Sleepiness Scale
The Epworth Sleepiness Scale (below) was developed by researchers in Australia and is widely used by sleep professionals around the world to measure sleep deprivation.
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. If you have not done some of these things recently, think about how they have affected you in the past.
Use the following scale to choose the most appropriate number for each situation:
***Note: We assume no liability for outcomes of this test, and by using this test, you assume all responsibilty contained herein. If you may have sleep apnea, please contact a qualified health care provider.
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, Epworth Sleepiness Score (ESS) > 16 was only seen in patients with moderate to severe sleep apnea.
If your score indicates that you may have a sleep disorder, contact a qualified health care provider.
Physician-developed and -monitored.
Original Date of Publication: 01 Dec 2000
Reviewed by: under construction
Last Reviewed:
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