The Epworth Sleepiness Scale

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About ESS

How likely are you to doze off or fall asleep in the following situations? You should rate your chances of dozing off, not just feeling tired. Even if you have not done some of these things recently try to determine how they would have affected you.

The Epworth Sleepiness Scale

The Epworth Sleepiness Scale is widely used in the field of sleep medicine as a subjective measure of a patient's sleepiness. The test is a list of eight situations in which you rate your tendency to become sleepy on a scale of 0, no chance of dozing, to 3, high chance of dozing. When you finish the test, add up the values of your responses.

Write down the number corresponding to your choice in the right hand column. Total your score below.

① Sitting and reading

② Watching TV

③ Sitting inactive in a public place (e.g., a theater or a meeting)

④ As a passenger in a car for an hour without a break

⑤ Lying down to rest in the afternoon when circumstances permit

⑥ Sitting and talking to someone

⑦ Sitting quietly after a lunch without alcohol

⑧ In a car, while stopped for a few minutes in traffic