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Stanford Sleepiness Scale
Quantifies subjective degrees of sleepiness.
Pearls/Pitfalls
Why Use
Sleepiness descriptions
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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Evidence
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May be repeated and trended over time.
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