Stanford Sleepiness Scale
Stanford Sleepiness Scale Calculator
Current Sleepiness Level
SSS Rating:
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Quantifies subjective degrees of sleepiness.
Why Use
Frequently used in research settings and to judge effectiveness of treatment.
Formula
Selection of the appropriate description: Sleepiness descriptions Stanford Sleepiness Score 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
Pearls / Pitfalls
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.
Advice
May be repeated and trended over time.
More Information
Interpretation : Higher scores indicate greater sleepiness.