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Eight-Item Sleepiness Score Sum Calculator — result sheet
Sum eight supplied 0-to-3 item responses and calculate the mean response.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Total score=sum of eight item scores; mean=total/8.
The page performs the questionnaire arithmetic only; it does not reproduce the questionnaire wording, assign a diagnosis, or interpret a threshold.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Item 1 score — minimum 0; maximum 3
- Item 2 score — minimum 0; maximum 3
- Item 3 score — minimum 0; maximum 3
- Item 4 score — minimum 0; maximum 3
- Item 5 score — minimum 0; maximum 3
- Item 6 score — minimum 0; maximum 3
- Item 7 score — minimum 0; maximum 3
- Item 8 score — minimum 0; maximum 3
Worked example
| Input | Value |
|---|---|
| Item 1 score | 1 |
| Item 2 score | 1 |
| Item 3 score | 1 |
| Item 4 score | 1 |
| Item 5 score | 1 |
| Item 6 score | 1 |
| Item 7 score | 1 |
| Item 8 score | 1 |
Total =8; mean =1.
Assumptions and limits
- Each response is a whole number from zero through three and the eight items use the same scoring convention.
- The visitor has obtained the appropriate item wording and answered it consistently.
- Clinical interview, sleep history, medication, occupation, and professional interpretation are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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