Epworth Sleepiness Scale
Assess your level of daytime sleepiness.
Total Score
0
Normal
Normal level of daytime sleepiness.
Enter values to see the results.
Feeling tired is a common experience, but how do you know if your level of sleepiness is normal or a sign of an underlying problem? The Epworth Sleepiness Scale (ESS) is a simple yet effective, internationally recognized questionnaire used to measure general levels of daytime sleepiness. This interactive calculator allows you to complete the scale and instantly receive a score, helping you to quantify your sleepiness and understand if you should speak with a healthcare professional.
What is the Epworth Sleepiness Scale?
Developed by Dr. Murray Johns in Australia in 1991, the ESS is a self-administered questionnaire that asks you to rate your likelihood of dozing off or falling asleep in eight common, everyday situations. It's designed to assess your "sleep propensity" in a standardized way. The scale is a valuable screening tool for sleep disorders, most notably Obstructive Sleep Apnea (OSA), but it can also indicate other issues like narcolepsy or simply chronic sleep deprivation.
How to Use the Calculator
For each of the eight situations listed, you need to choose the number that best reflects your usual chance of dozing. It's important to be honest and think about your typical experiences in recent times. If you haven't been in one of the situations recently, try to imagine how it would have affected you.
The scoring for each question is as follows:
- 0 = Would never doze
- 1 = Slight chance of dozing
- 2 = Moderate chance of dozing
- 3 = High chance of dozing
As you select an answer for each question, the calculator will automatically add the points to generate your total score.
Interpreting Your Total Score
Your total score will fall between 0 and 24. The score is interpreted as follows:
| Score | Level of Daytime Sleepiness |
|---|---|
| 0-10 | Normal |
| 11-12 | Mild excessive daytime sleepiness |
| 13-17 | Moderate excessive daytime sleepiness |
| 18-24 | Severe excessive daytime sleepiness |
A score of **11 or higher** is generally considered "sleepy" and indicates a level of daytime sleepiness that could be problematic and warrants further investigation by a doctor.
Why Daytime Sleepiness Matters
Excessive daytime sleepiness (EDS) is not just about feeling tired; it's a medical symptom that can have serious consequences on your health, safety, and quality of life.
- Safety Risks: Drowsiness significantly impairs concentration and reaction time, increasing the risk of accidents while driving or operating machinery.
- Reduced Productivity: Difficulty staying awake and focused can negatively impact performance at work or school.
- Health Implications: EDS is a hallmark symptom of untreated sleep disorders like sleep apnea, which are linked to high blood pressure, heart disease, stroke, and diabetes.
- Quality of Life: Constant sleepiness can prevent you from fully enjoying social activities, hobbies, and time with family and friends.
Next Steps After Taking the Test
The Epworth Sleepiness Scale is a screening tool, not a diagnostic one. It cannot tell you *why* you are sleepy, but it can effectively tell you *if* your sleepiness is at a level of concern.
If your score is 11 or higher, it is strongly recommended that you discuss your results with your doctor. They can conduct a full evaluation, which may include a review of your sleep habits, a physical exam, and potentially a referral to a sleep specialist for an overnight sleep study (polysomnography) to diagnose or rule out a sleep disorder.
Even if your score is in the normal range, if you consistently feel unrefreshed or your tiredness interferes with your daily life, it's still a good idea to talk to a healthcare provider. Taking control of your sleep health is a vital step toward improving your overall well-being.
Disclaimer: This tool is for informational and educational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.