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Stanford Sleepiness Scale (SSS)
Stanford Sleepiness Scale (SSS)
| Availability |
Please visit this website for more information about the instrument: Stanford Sleepiness Scale
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| Classification |
Supplemental: Myalgic encephalomyelitis/Chronic fatigue syndrome (ME/CFS), Parkinson's Disease
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| Short Description of Instrument |
The Stanford Sleepiness Scale is used to quantify current sleepiness either during the day or night. The question measures where the participant rates their current level of sleepiness from 1=feeling active, wide awake to 7=no longer fighting sleep.
Population: Adults
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| Rationale/Justification |
Advantages: Instrument is freely available. Very brief and easy to administer throughout the day.
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| References |
Hoddes E, Zarcone V, Smythe H, Phillips R, Dement WC. Quantification of sleepiness: a new approach. Psychophysiology 1973;10:431-436.
Document last updated July 2019
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| Recommended Instrument for |
ME/CFS, PD
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