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About this tool
Rate your chance of dozing in eight everyday situations to get an Epworth score out of 24 with its sleepiness band.
The Epworth Sleepiness Scale measures how likely you are to doze off during eight ordinary sedentary situations, each rated 0 (would never doze) to 3 (high chance), giving a total between 0 and 24. It was introduced by Murray Johns in Sleep (1991) and is the questionnaire most sleep clinics hand out at a first appointment. A total above 10 is the conventional marker of excessive daytime sleepiness and is a reason to talk to a doctor rather than simply drink more coffee.
Open Epworth Sleepiness Scale on AltFTool — it loads instantly in your browser.
Enter the values you already know.
Fine-tune the options to match your scenario.
Read the result and use it in your planning or reporting.
Applies the standard interpretation: 0-5 and 6-10 are normal ranges, 11-12 mild, 13-15 moderate and 16-24 severe.
Highlights the single situation you rated highest, which is often the most useful thing to describe to a clinician.
Eight questions take about a minute, so a before-and-after comparison is easy to run.
A total of 0-10 is considered normal, with 0-5 described as lower normal and 6-10 as higher normal daytime sleepiness. Scores of 11 and above indicate excessive daytime sleepiness: 11-12 mild, 13-15 moderate and 16-24 severe.
There is no score that confirms sleep apnoea — the scale measures sleepiness, not its cause. A total above 10, particularly alongside loud snoring, witnessed pauses in breathing or waking unrefreshed, is a common trigger for referral to a sleep study, which is what actually diagnoses apnoea.
The Epworth scale asks specifically about dozing off or falling asleep, not about feeling tired, drained or unmotivated. Someone with severe fatigue from anaemia or depression can score low, while someone with untreated apnoea who nods off reading can score high despite feeling they sleep enough.
It reflects your average over the past few weeks, so repeating it more often than monthly rarely shows anything meaningful. It is most useful as a before-and-after measure around a change such as starting CPAP, adjusting a medication or fixing a shift pattern. This page is informational and is not a substitute for assessment by a clinician.
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