Sleep Duration by Age Calculator
Recommended sleep hours by age group (guideline ranges).
Frequently asked questions
What does the Sleep Duration by Age Calculator do?
Recommended sleep hours by age group (guideline ranges). Enter your values and get an instant estimate in your browser — free, with no signup.
Is the Sleep Duration by Age Calculator free to use?
Yes. OpenCalcy calculators are free to use, work on mobile, and keep favorites privately in your browser.