😴 Epworth Sleepiness Scale (ESS)
UseScreen for excessive daytime sleepiness and sleep disorders.
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SourceJohns MW. Sleep 1991
Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
Score + version; reference only — not a substitute for care · no HIS write
Paste the link in Slack, Teams, X, or LinkedIn — the preview image comes from this page’s Open Graph card.
Methodology · worked example, guidelines & full notes
Clinical takeaway
Measures average sleep propensity, not a diagnosis.
When to use
Screen for excessive daytime sleepiness and sleep disorders.
How it works
Eight situations rated 0–3 (chance of dozing); total 0–24. > 10 indicates excessive daytime sleepiness.
Key points
- Measures average sleep propensity, not a diagnosis.
- High scores warrant evaluation for OSA or insufficient sleep.
- Useful to monitor treatment response.
References
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| 1. Sitting and reading | Slight (1) |
|---|---|
| 2. Watching TV | Slight (1) |
| 3. Sitting inactive in a public place | Slight (1) |
| 4. As a passenger in a car for an hour | Slight (1) |
| 5. Lying down to rest in the afternoon | Slight (1) |
| 6. Sitting and talking to someone | Slight (1) |
| 7. Sitting quietly after lunch (no alcohol) | Slight (1) |
| 8. In a car, stopped in traffic | Slight (1) |
→Epworth8/24
- Interpretation：Normal daytime sleepiness (0–10)
- Note：> 10 suggests excessive daytime sleepiness — consider evaluation for sleep disorders.
| 1. Sitting and reading | No chance (0) |
|---|---|
| 2. Watching TV | No chance (0) |
| 3. Sitting inactive in a public place | No chance (0) |
| 4. As a passenger in a car for an hour | No chance (0) |
| 5. Lying down to rest in the afternoon | No chance (0) |
| 6. Sitting and talking to someone | No chance (0) |
| 7. Sitting quietly after lunch (no alcohol) | No chance (0) |
| 8. In a car, stopped in traffic | No chance (0) |
→Epworth0/24
- Interpretation：Normal daytime sleepiness (0–10)
- Note：> 10 suggests excessive daytime sleepiness — consider evaluation for sleep disorders.
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Epworth Sleepiness Scale (ESS)?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- Does Epworth Sleepiness Scale (ESS) upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
- How is Epworth Sleepiness Scale (ESS) calculated in practice? Can you show a worked example?
- Inputs: 1. Sitting and reading Slight (1), 2. Watching TV Slight (1), 3. Sitting inactive in a public place Slight (1), 4. As a passenger in a car for an hour Slight (1), 5. Lying down to rest in the afternoon Slight (1), 6. Sitting and talking to someone Slight (1), 7. Sitting quietly after lunch (no alcohol) Slight (1), 8. In a car, stopped in traffic Slight (1) → Result: Epworth 8 /24（Interpretation: Normal daytime sleepiness (0–10), Note: > 10 suggests excessive daytime sleepiness — consider evaluation for sleep disorders.） Inputs: 1. Sitting and reading No chance (0), 2. Watching TV No chance (0), 3. Sitting inactive in a public place No chance (0), 4. As a passenger in a car for an hour No chance (0), 5. Lying down to rest in the afternoon No chance (0), 6. Sitting and talking to someone No chance (0), 7. Sitting quietly after lunch (no alcohol) No chance (0), 8. In a car, stopped in traffic No chance (0) → Result: Epworth 0 /24（Interpretation: Normal daytime sleepiness (0–10), Note: > 10 suggests excessive daytime sleepiness — consider evaluation for sleep disorders.）