Sleep Calculator

Find a practical bedtime window based on your age and target wake-up time.

YOUR SCHEDULE

When do you wake up?

We'll work backwards to estimate a useful bedtime window.

AGE years

WAKE-UP HOUR

MINUTE

The calculator gives a general sleep planning reference. Sleep quality, consistency and individual sleep needs also matter.

YOUR RESULT

Enter your age and target wake-up time to calculate a sleep window.