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Sleep Cycle Calculator
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Sleep Cycle Calculator
Find your perfect bedtime & wake time
# Healthcare
Featured on : Jun 15. 2025
Featured on : Jun 15. 2025
What is Sleep Cycle Calculator?
Free online sleep calculator to find the best time to sleep and wake up. Optimize your natural sleep cycles, REM sleep, and circadian rhythm for a refreshed morning.
Problem
Users manually calculate sleep and wake times using basic alarm clocks or generic apps, which do not consider natural sleep cycles (REM, circadian rhythm), leading to disrupted sleep and morning grogginess.
Solution
A free online sleep calculator tool that uses sleep science to determine optimal bedtime and wake time based on 90-minute sleep cycles, helping users wake up refreshed by aligning with their body’s natural rhythm.
Customers
Busy professionals, students, health-conscious individuals, and shift workers seeking quality sleep and energy management.
Unique Features
Focuses on optimizing REM sleep and circadian rhythm alignment, simplicity (no app download required), and personalized sleep/wake time recommendations.
User Comments
Improved morning alertness
Easy to use interface
Helps establish consistent sleep schedule
Science-backed recommendations
Free and accessible
Traction
Launched on ProductHunt (specific metrics undisclosed)
Free tool with potential premium feature upsell
Market Size
The global sleep economy is valued at $432 billion (2022), driven by rising demand for sleep optimization tools.