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Life in Numbers · Healthy habits

Sleep duration and bedtime planner

Choose an age, wake time and planned sleep duration to see a simple nightly and weekly schedule.

01 · Your editable starting point

Your editable starting point

Change the values you know. Every result updates instantly in your browser.

03 · What the numbers mean

What the numbers mean

Compare planned sleep with the CDC age range and calculate bedtime from wake time.

Your resultWhat the numbers mean
Suggested bedtimeWake-up time: 07:0023:00
Recommended daily sleepCDC · 35 years7+ hours
Planned sleep per week7 days56 hours
Difference from the minimumSleep need varies by age and person. Duration alone does not measure sleep quality; persistent sleep problems deserve professional advice.+1 hours

04 · Guidance and limitations

Guidance and limitations

Sleep need varies by age and person. Duration alone does not measure sleep quality; persistent sleep problems deserve professional advice.

ⓘ This is an educational estimate, not a diagnosis or a personal medical recommendation.
CDC ↗

05 · Life in Numbers · Healthy habits

All calculators

⌁Steps, distance and walking timeTurn daily steps into distance, weekly totals and walking time.→↗Weekly physical activityCombine moderate and vigorous activity and compare it with the WHO adult guideline.→◎Adult BMI and weight rangeCalculate adult body mass index and see the weight range behind the result.→↻Sitting time and break plannerSee weekly sitting time and build a simple plan for movement breaks.→

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Crypto services · 18+

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