The Epworth Sleepiness Scale is a self-administered questionnaire designed to evaluate levels of excessive daytime sleepiness. The answers to the eight questions provide a subjective measurement of sleepiness and how it affects daily life.

Use the following 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.

Sleepiness Scale

  • Would never doze

    Slight chance of dozing

    Moderate chance of dozing

    High chance of dozing

  • 0




Result What your ESS result indicates
Less than 10You are most likely getting enough sleep
If you have noticed a change in your normal sleep routine, you may want to discuss this with your dentist.
 10 – 16Your may be suffering from excessive daytime sleepiness
You should see your dentist to determine the cause of your sleepiness and possible treatment.
 16+You are dangerously sleepy
We recommend you make an appointment without delay or further diagnosis.


* 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 may be a symptom of a sleep disorder. Consultation with a medical professional is recommended for diagnosis.

*Table based on ESS table devised by Dr M. W .Johns Copyright 1991 (Source: Sleep 1991; 14(6): 540-545).