Epworth Sleepiness Scale (ESS)

The following questionnaire will help you measure your general level of daytime sleepiness.

You are to rate the chance that you would doze off or sleep during different routine daytime situations.

Answers to the questions are rated on a reliable scale called the Epworth Sleepiness Scale (ESS).

Each item is rated from 0 to 3, with 0 meaning you would never dose off or fall asleep in a given situation, and 3 meaning that there is a very high chance that you would doze or fall asleep in that situation.

How likely are y0u to doze off or fall asleep in the following situations, in contrast to just feeling tired?

Even if you haven’t done some of these activities recently, think about how they would have affected you.

Using this 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

It is important that you circle a number (0 to 3) on each of the questions.