ESS |
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:
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 | |
| Click here for total Epworth Sleepiness Score (ESS) |
|
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.
Dynamic Nasopharyngoscopy
Epworth Sleepiness Scale
Calculated Probability of Having OSA
Sleep Study
Stanford Method for Predicting OSA
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