Resti Sleep Calculators
Discover the right tool to help you or your family rest deeper, wake fresher, and feel your best. Each calculator is designed to give you simple, science-backed guidance for better sleep.
Adult Sleep Calculator
Find the best bedtimes and wake-ups using 90-minute sleep cycles.
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Children’s Sleep Calculator
Age-based bed and wake times for healthy, consistent routines.
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Jet Lag Calculator
Personalised light and sleep timing to ease time-zone shifts.
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Sleep Debt Calculator
See if you’re hitting the weekly sleep target—and how to improve.
Open CalculatorHow the Adult Sleep Calculator works
We suggest times that align with ~90-minute sleep cycles plus a short wind-down so you’re more likely to wake in lighter sleep and feel fresher.
How the Children’s Sleep Calculator works
Maps age-specific recommendations to practical school/childcare wake-ups, giving easy, consistent bedtimes.
How the Jet Lag Calculator works
Shifts your circadian rhythm using timed light exposure and gradual sleep window adjustments for your route.
How the Sleep Debt Calculator works
Tallies your weekly total vs. the 7–9 hour target and flags sleep debt to encourage consistency.
