Self Sleep Test

Tiredness Test

This test is available as part of an exhibit for the website, a site for online exhibits of the Wellcome Collection health-related museum. It is designed to test you for your waking alertness by gauging your reflexes for the requirements of the test. After the test, please come back to take our Epworth Sleepiness Scale test found below or else take it first. We also have an editable and printable version (requires Adobe Acrobat Reader) of the Epworth test. Now, please click


to be taken to the Wellcome Collection's site.

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 fall asleep 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 doze 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 you to doze off or fall asleep in the following siutations, 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.


Use 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 choose a number (0 to 3) from the menu button to the right of each "situation" item below.

Situation :
(1) Sitting and reading
(2) Watching TV
(3) Sitting, inactive in a public place (ex. theater or a meeting)
(4) As a passenger in a car for an hour without a break
(5) Lying to rest in the afternoon when circumstances permit
(6) Sitting down and talking with someone
(7) Sitting quietly after lunch without alcohol
(8) In a car, while stopped for a few minutes in traffic

  Epworth Total    
Scoring your results
Now that you have completed the questionnaire, it is time to score your results and evaluate your own level of daytime sleepiness. It's simple. Just add up the number you put for each situation to get your total score (here, we have provided a "calculate button to do it for you).

The Epworth Sleepiness Scale key
A total score of less than 10 suggests that you may not be suffering from excessive daytime sleepiness.

A total score of 10 or more suggests that you may need further evaluation by a physician to determine the cause of your excessive daytime sleepiness and whether you have an underlying sleep disorder.

Your next steps
This scale should not be used to make your own diagnosis. It is intended as a tool to help you identify your own level of daytime sleepiness, which is a symptom of many sleep disorders.

If your score is 10 or more, please share this information with your physician. Be sure to describe all your symptoms as clearly as possible to aid in your diagnosis and treatment.

It is important to remember that true excessive daytime sleepiness is almost always caused by an underlying medical condition that can be easily diagnosed and effectively treated.

Current Research Studies

Our center performs Research Studies and Clinical Trials to help determine the effective-ness of new drugs and treat-ments.
We are currently seeking participants for the following studies:

Adult Obstructive Sleep Apnea

Adult Narcolepsy

Pediatric Narcolepsy

For more information, check Clinical Trials and Disorders on main menu at top.

If you use CPAP . . .

Please be aware that CPAP equipment wears out. You should consider replacing your mask, headgear and hoses about every 6 months.


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