// multi-utility computation suite · offline · instant · precise
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│ computation suite │
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health.sleep-cycle-calculator Calculator
Calculates optimal bedtime or wake time based on 90-minute sleep cycle multiples to wake during light sleep rather than deep sleep. Waking at the end of a cycle (after 4.5, 6, or 7.5 hours) avoids sleep inertia — the groggy feeling from being awoken mid-cycle.
Inputs
Sleep Time Min
Reference formula or conversion factor shown for context.
Wake Hour
Reference formula or conversion factor shown for context.
Cycles
Reference formula or conversion factor shown for context.
Results
recommended bedtime
The computed duration or time value.
total sleep (hrs)
The combined total across all inputs and components.
sleep cycles
Reference formula or conversion factor shown for context.
each cycle (min)
Sample size or count used in the calculation.
REM sleep (last cycles)
Reference formula or conversion factor shown for context.