Lifetime sleep calculator

How much of my life have I slept?

Estimate how many years, months and days of your life you have spent asleep from your age and sleep routine.

Your answer will appear here

Add your age and nightly sleep to see how the nights add up.

HOW IT WORKS

Simple inputs.
A new perspective.

This is an estimate based on the same average sleep duration across your life.

Sleep needs and habits change with age, work, health and family life.

The percentage shows sleep time as a share of all time lived so far.

GOOD TO KNOW

Is this calculator free?

Yes. Every LifeCalc tool is free to use, with no account or sign-up required.

Is my information saved?

No. The calculation runs in your browser. The dates and numbers you enter are not sent to us or stored.

How accurate is the result?

This is an estimate based on the same average sleep duration across your life.