Sleep & Recovery Calculators
Sleep cycles, naps, and sleep debt.
6 free tools available
- Sleep & Recovery
Sleep Chronotype Quiz
Are you a Lion, Bear, Wolf, or Dolphin? Find your type and your ideal daily schedule. Open - Sleep & Recovery
Caffeine Intake Calculator
Add up your daily caffeine from coffee, tea, and energy drinks vs the ~400 mg safe limit. Open - Sleep & Recovery
Caffeine Curfew Calculator
See when to stop caffeine and how to time light for better sleep — with a shareable daily timeline. Open - Sleep & Recovery
Sleep Calculator
Find the best bedtime or wake-up time using 90-minute sleep cycles. Open - Sleep & Recovery
Nap Calculator
Get the ideal wake-up time for a power nap or a full sleep cycle. Open - Sleep & Recovery
Sleep Debt Calculator
Add up the sleep you owe over a week and how to repay it. Open
Want your full picture?
Combine your results with the free HealthyLifeStyles Health Score assessment.