Epworth Sleepiness Scale (ESS) Test

See how likely you are to doze off in everyday situations in about 2 minutes. Eight quick items give a clear snapshot of daytime sleepiness to support next-step care decisions.

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Questions: 82 minutes

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08:30

October 2, 2025

October 2, 2025
Material has been updated

October 2, 2025
Material has been published

24,111 views

1,353 completions

1,117 likes

Verified by Daniel Hall

Psychologist with 25 years of experience

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How the Scales are Structured

example score

19/24

Sleepiness Scale (SS)

Measures the severity of subjective daytime sleepiness based on likelihood of dozing in common situations.

Normal to borderline

Mild to moderate

High sleepiness

0 – 10: Normal to borderline | 11 – 15: Mild to moderate | 16 – 24: High sleepiness

A score of 19 falls in the High sleepiness range, indicating a high level of reported daytime sleepiness.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Always tired adults

41%OF USERS

People who feel unusually sleepy during the day and want a quick way to gauge how often they might doze off in everyday situations.

Sleep disorder checkers

34%OF USERS

Those who suspect issues like sleep apnea, insomnia, or narcolepsy and want to bring a clear score to discuss with a clinician.

Shift workers and students

25%OF USERS

People with irregular schedules who want to see whether disrupted sleep is affecting daytime alertness and safety.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

RESULTS YOU CAN ACTUALLY USE

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Used in 52+ countries

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Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.

Sleepiness Scale (SS)

Average

14.6

Normal range

11.1 — 18.1

min.

max.

Majority

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

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CLEAR ANSWERS TO COMMON QUESTIONS

Frequently Asked Questions

What does this questionnaire measure?

It measures the usual tendency to doze off or fall asleep during common daytime situations. It reflects subjective daytime sleepiness over recent weeks.

How is it completed?

Rate the chance of dozing in each of eight situations using the provided scale. Answer based on typical behavior, not on a single unusual day.

How long does it take?

Most people complete it in about two minutes. No special equipment or preparation is required.

What if a situation does not occur in daily life?

Provide a rating based on how likely dozing would be if the situation occurred. If a rating cannot be estimated, use the lowest likelihood option.

How are the results used?

The item ratings are summed to produce a total score that indicates the level of daytime sleepiness. The score supports clinical discussion and may guide further evaluation when sleep problems are suspected.

WHAT THE TEST MEASURES

About This Assessment

Epworth Sleepiness Scale (ESS) Test - Symptoms and Signs

sleep

Daytime sleepiness can be screened with a brief self-report measure administered in outpatient and research settings. The Epworth Sleepiness Scale (ESS) asks respondents to rate their likelihood of dozing in common everyday situations.

The instrument contains 8 items and typically takes about 2 minutes to complete. It is intended to provide a subjective estimate of habitual daytime sleep propensity to inform clinical interview, sleep-focused assessment, and follow-up discussions (psytests.org, 2024).

Scores from the Epworth Sleepiness Scale (ESS) are interpreted in context of presenting concerns, sleep history, medical and psychiatric factors, and medication or substance effects, and they do not establish a diagnosis on their own.

Author: psytests.org (2024)

Literature: Johns, M. W. A new method for measuring daytime sleepiness: The Epworth Sleepiness Scale. Sleep. 1991.; Johns, M. W. Sleepiness in different situations measured by the Epworth Sleepiness Scale. Sleep. 1994.

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