The Epworth Sleepiness Scale (ESS) is a self-administered questionnaire with 8 questions. It provides a measure of your general level of daytime sleepiness, or your average sleep propensity in daily life. It has become the world standard method for making this assessment.
The total ESS score provides an estimate of a general characteristic of you – namely, your average level of sleepiness in daily life. This can be influenced by many factors, and the ESS does not distinguish which factor(s) have caused any particular level of daytime sleepiness. It is not a diagnostic tool in itself, but is a very useful tool for measuring one important aspect of your sleep-wake health status.
Epworth Sleepiness Scale (ESS)
Answer the following questions by selecting the appropriate response for each situation. This refers to your usual way of life in recent times. Please note, even if you have not done some of these things recently, try to work out how they would have affected you.
Question: How likely are you to doze off or fall asleep in the following situations (in contrast to just feeling tired)?