Sleep
Epworth Sleepiness Scale (ESS)
Score interpretation for Epworth Sleepiness Scale (ESS)
Reference information · Score-entry tool
- Last content update
- 2026-10-26
- Clinical review
- Not independently reviewed
- Source jurisdiction
- See individual sources
- Coverage
- Score-entry tool
| Field | Instrument context |
|---|---|
| Version | ESS; adult eight-situation version |
| Respondent | Self-report |
| Purpose | Score interpretation for Epworth Sleepiness Scale (ESS) |
Clinician score entry
Enter the total from the authorized adult form.
Scores stay in this page’s memory. Reset or leave the page to clear them. Use the exact instrument version and its authorized form.
Administration
Enter the total from the authorized adult form.
Scoring method
Eight scores of 0–3 sum to 0–24.
Interpretation & limitations
- The developer describes 11–12 as mild, 13–15 as moderate and 16–24 as severe excessive daytime sleepiness.
- A result does not diagnose narcolepsy or sleep apnea and does not determine fitness to drive.
- Use a separate validated form for children; investigate sleep opportunity, medication effects and relevant sleep disorders.