The Epworth Sleepiness Scale (ESS) is a scale intended to measure daytime sleepiness by the use of a very short questionnaire. This can be helpful in diagnosing sleep disorder. It was introduced in 1991 by Dr Murray Johns of Epworth Hospital in Melbourne, Australia.
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 haven’t done some of these things recently, try to work out how they would have affected you.