Measuring Sleepiness with the Epworth Sleepiness Scale (ESS)

Dr. Murray Johns

Epworth Sleepiness Scale Instrument Author, Epworth Sleep Centre - Melbourne, Victoria, Australia

Dr. Catherine Acquadro

Scientific Research Advisor Consultant, Mapi Group / Mapi Research Trust - Lyon, France


What you will learn

  • Introduction to "Sleepiness" & Sleep Propensity Measured Under Different Circumstances

  • Presentation of the ESS

  • ESS score interpretation

  • ESS available translations

  • License to use the ESS


More than one meaning of the word ‘Sleepiness’

Drowsiness: the transitional behavioural state between alert wakefulness and sleep.

Sleep propensity: the likelihood of making the transition from alert wakefulness to sleep under a given set of circumstances