Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sleep
Shift Work Sleep Calculator
Plan your sleep window around rotating or night shifts by accounting for shift times, commute, and adjustment buffers. Use it when your schedule changes to find the exact bedtime that protects your minimum sleep hours.
Fill in the required fields to see your result.
Sleep
Sleep Efficiency Calculator
Measure what percentage of your time in bed is actually spent sleeping β a key clinical marker of sleep quality used in insomnia diagnosis and treatment. Efficiency above 85% indicates healthy sleep; under 80% suggests insomnia or fragmented sleep that warrants investigation.
Fill in the required fields to see your result.
Key differences
| Shift Work Sleep Calculator | Sleep Efficiency Calculator | |
|---|---|---|
| Category | Sleep | Sleep |
| Inputs required | 3 | 2 |
| Result | Total Recovery Time Needed (minutes) | Sleep Efficiency (%) |
| What it does | Plan your sleep window around rotating or night shifts by accounting for shift times, commute, and adjustment buffers. Use it when your schedule changes to find the exact bedtime that protects your minimum sleep hours. | Measure what percentage of your time in bed is actually spent sleeping β a key clinical marker of sleep quality used in insomnia diagnosis and treatment. Efficiency above 85% indicates healthy sleep; under 80% suggests insomnia or fragmented sleep that warrants investigation. |