Sleep Duration Calculator

Overnight Time Difference

Calculate sleep duration between bedtime and wake time.

Method: If wake time is earlier than bedtime, it is treated as next day.

Understanding Sleep Duration

1. What This Calculator Measures

Sleep duration measures time between bedtime and wake time, including overnight spans.

2. How the Calculation Works

The calculator subtracts bedtime from wake time and adds 24 hours when the wake time is next day.

3. Formula or Rule Used

duration = wake time - bedtime.

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