Epworth Sleepiness Scale (ESS) Calculator: Your Free Online Sleepiness Assessment

Calculate Your Epworth Sleepiness Scale (ESS) Score

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

Your Epworth Sleepiness Scale (ESS) Score:

Score Interpretation:

  • 0-9: Normal daytime sleepiness.
  • 10-24: Excessive daytime sleepiness (EDS). We highly recommend consulting a healthcare professional to discuss your sleep health, as this could indicate an underlying sleep disorder.

This calculator is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider for diagnosis and treatment of any health condition.

The Epworth Sleepiness Scale (ESS) is a validated, self-administered questionnaire widely used to measure general levels of daytime sleepiness. This intuitive online calculator helps you effortlessly determine your personal ESS score by rating your likelihood of dozing off or falling asleep in eight common daily situations. Understanding your score is a vital first step in assessing your sleep health, identifying potential sleep disorders, and initiating important conversations with a healthcare professional about your sleep patterns.

Formula:

The Epworth Sleepiness Scale (ESS) score is determined by summing the individual scores (ranging from 0 to 3) assigned to eight specific everyday situations. A higher total score indicates a greater level of daytime sleepiness.

Formula: ESS Score = S1 + S2 + S3 + S4 + S5 + S6 + S7 + S8

  • Sn: Represents the score (0, 1, 2, or 3) for each of the eight situations.

Scoring Key for Each Situation:

  • 0: Would never doze
  • 1: Slight chance of dozing
  • 2: Moderate chance of dozing
  • 3: High chance of dozing

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