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    Patent Pending

    Stanford Sleepiness Scale

    Quantifies subjective degrees of sleepiness.
    Pearls/Pitfalls
    Why Use

    Quantifies sleepiness at distinct points in time, compared with other sleep scales like the Epworth Sleepiness Scale, which quantifies general sleepiness over the course of a day.

    Frequently used in research settings and to judge effectiveness of treatment.

    Feeling active and vital, alert, wide awake
    +1
    Functioning at a high level but not at a peak, able to concentrate
    +2
    Relaxed, awake, not at full alertness, responsive
    +3
    A little foggy, not at a peak, let down
    +4
    Foggy, beginning to lose interest in remaining awake, slowed down
    +5
    Sleepy, prefer to be laying down, fighting sleep, woozy
    +6
    Almost in reverie, sleep onset soon, lost struggle to remain awake
    +7

    Result:

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    Next Steps
    Evidence
    Creator Insights
    Dr. William C. Dement

    About the Creator

    William C. Dement, MD, PhD, is a professor of psychiatry and behavioral sciences at the Stanford University School of Medicine. He is also the chief of the Stanford University Division of Sleep. Dr. Dement’s research interests include sleep disorders, REM, and the neurochemistry of sleep.

    To view Dr. William C. Dement's publications, visit PubMed

    Are you Dr. William C. Dement? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
    About the Creator
    Dr. William C. Dement
    Are you Dr. William C. Dement?