Epworth Sleepiness Scale

Epworth Sleepiness Scale

The Epworth Sleepiness Scale (pronunciation: EP-wurth SLEEP-ee-ness scale, etymology: named after the Epworth Hospital in Melbourne, Australia where it was first developed) is a self-administered questionnaire with 8 questions. It provides a measure of a person's general level of daytime sleepiness, or their average sleep propensity in daily life (ASP). It is often used in the field of sleep medicine as a diagnostic tool, particularly in the diagnosis of sleep disorders such as Obstructive Sleep Apnea.

History

The Epworth Sleepiness Scale was introduced by Dr. Murray Johns in 1991. It was named after the Epworth Hospital in Melbourne, Australia where Dr. Johns was based.

Usage

The scale asks the respondent to rate his or her probability of falling asleep on a scale of increasing probability from 0 to 3 for eight different situations that most people engage in during their daily lives, though not necessarily every day. The scores for the eight questions are added together to obtain a single number. A number in the 0-9 range is considered to be normal while a number in the 10-24 range indicates that expert medical advice should be sought.

Related Terms

• Sleep disorders
• Obstructive Sleep Apnea
• Sleep propensity
• Daytime sleepiness
• Self-administered questionnaire

See Also

• Pittsburgh Sleep Quality Index
• Insomnia Severity Index
• Stanford Sleepiness Scale

External links

• Medical encyclopedia article on Epworth Sleepiness Scale
• Wikipedia's article - Epworth Sleepiness Scale

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