Add a Free Sleep Calculator to Your Website
Give your readers or patients a free bedtime and wake-up calculator. Copy one snippet and paste it into your page.
Preview
Embed code
Paste this where you want the calculator to appear. It works in WordPress (Custom HTML block), Squarespace (Code block), Wix (Embed HTML) and most site builders.
What your visitors get
- Three ways to plan sleep: best bedtime for a wake-up time, best wake-up time for a bedtime, and "sleep now".
- No ads and no tracking inside the calculator. Everything runs in the visitor's browser.
- Works on phones, and follows your visitor's light or dark setting.
Terms
The calculator is free to embed on any site, commercial or not. Please keep the "Sleep calculator by SleepTimeCalc" credit line below it. It's general information, not medical advice. Questions or a different size? See our about page.
Our free tools
Every one of them is completely free.
- Sleep CalculatorBest bedtime or wake-up time, based on 90-minute sleep cycles.
- Hours of Sleep CalculatorHow many hours of sleep you will get between bedtime and your alarm.
- Nap CalculatorWhen to set your alarm for a power nap or a full-cycle nap.
- Sleep Debt CalculatorHow much sleep you owe this week, and how to pay it back.
- Caffeine Cutoff CalculatorHow much caffeine is still in you at bedtime, and your latest cup.
- Sleep Needs by AgeRecommended hours for every age, from newborns to over-65s.
- Sleep Efficiency CalculatorWhat share of your time in bed you actually spend asleep.
- Shift Work Sleep CalculatorWhen to sleep and stop caffeine around any shift, including nights.
- Kids Bedtime CalculatorThe right bedtime for your child's exact age and wake-up time.
- Chronotype CalculatorNight owl or early bird? Find your chronotype and social jet lag.
- Daylight Saving Time Sleep PlannerA day-by-day plan to shift your sleep before the clocks change.
- Jet Lag CalculatorDays to adjust, plus a shift-before-you-fly schedule.