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4 months ago
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Free Sleep Cycles Calculator
Calculate your perfect sleep schedule with our REM sleep cycle calculator. Optimize bedtime and wake-up times based on natural 90-minute sleep cycles for better rest and energy.
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Advanced Sleep Optimization Calculator
What time do you want to wake up?
Chronotype
Normal: Best sleep 10-11 PM, wake 6-7 AM
Sleep Environment
Standard conditions: No adjustments
Recommended Hours8.5h
Adjusted Hours8.5h
• Avoid caffeine 6 hours before bed
• Keep bedroom cool (65-68°F)
• No screens 1 hour before sleep
• Exercise regularly, but not late
• Maintain consistent sleep schedule
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Why Sleep Cycles Matter
Understanding your natural sleep rhythm is key to waking up refreshed. Our REM sleep calculator helps you optimize your sleep schedule.
Wake Up Refreshed
Time your sleep to wake up at the end of a cycle, avoiding grogginess
Boost Energy Levels
Optimize your sleep schedule for sustained energy throughout the day
Enhance Focus
Better sleep timing leads to improved cognitive performance
90 Minutes
Average Sleep Cycle Duration
Light Sleep → Deep Sleep → REM
4-6 cycles per night optimal
Wake between cycles for best results
Better Sleep Products
Enhance your sleep quality with these carefully selected products
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100% light blocking sleep mask with adjustable strap and ultra-soft silk material.
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Smart White Noise Machine
Advanced white noise machine with 30+ soothing sounds and smartphone app control.
