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Population & Data

Sleep Needs by Age Chart

Recommended sleep hours at each age, against what children actually get.

Quick answer

Recommended sleep falls from about 12 hours at age three to 8.5 at seventeen, and the gap between recommended and actual widens with age — largest exactly when exam pressure peaks.

Free tool

Sleep Needs by Age Chart

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Frequently asked

Is the Sleep Needs by Age Chart free?

Yes. Every tool on AlphaBetaMinds is free, needs no account and has no usage limit.

Does this tool store what I type?

No. It runs entirely in your browser. Your inputs are never sent to our server, and nothing is logged.

How accurate is it?

It uses the McCrindle generation boundaries (Gen Alpha 2010–2024, Gen Beta 2025–2039) and UN World Population Prospects vital rates. Sources and formulas are on our methodology page.

Can I use the result in an article or report?

Yes, with a credit and a link back to this page. See our terms of use for the full licence.