Find Out How Much Sleep You Need
Discover your optimal sleep schedule with our comprehensive sleep calculator. Calculate bedtime, wake time, and sleep cycles for better rest and improved health.
How Much Sleep Do You Need?
The amount of sleep you need varies by age and individual factors. Our sleep calculator helps you determine the optimal sleep duration for your specific needs.
90-Minute Sleep Cycle Calculator
Our sleep cycle calculator uses the scientifically proven 90-minute sleep cycle to help you wake up refreshed. Each complete cycle includes all sleep stages: light sleep, deep sleep, and REM sleep.
Sleep Stages
- • Light Sleep (N1 & N2)
- • Deep Sleep (N3)
- • REM Sleep
Benefits
- • Wake up refreshed
- • Reduce grogginess
- • Better sleep quality
Sleep Calculator Features
Bedtime Calculator
Calculate the perfect bedtime based on your wake time
Wake Time Calculator
Find the ideal wake time for your bedtime
Sleep Cycle Calculator
Optimize your sleep with 90-minute cycles
Sleep Debt Tracker
Track and recover from sleep debt
REM Sleep Calculator
Calculate REM sleep phases and timing
Jet Lag Calculator
Adjust to new time zones quickly
💡 Sleep Quality Tips
- •Maintain a consistent sleep schedule
- •Create a relaxing bedtime routine
- •Keep your bedroom cool and dark
- •Avoid caffeine and screens before bed
- •Use our sleep calculator for optimal timing
🔬 Sleep Science
Circadian Rhythm
Your body's natural sleep-wake cycle
Sleep Architecture
The structure and pattern of sleep stages
Sleep Debt
Accumulated sleep loss over time