Show HN: Sleep Calculator – A tool to calculate ideal sleep/wake times
1 loocao 0 6/25/2025, 2:08:38 PM sleepcalculatorapp.com ↗
I built Sleep Calculator to help people improve sleep quality by aligning with natural 90-minute sleep cycles.
You can either:
Enter your desired wake-up time to get ideal times to fall asleep, or
Enter your bedtime to find optimal wake-up times.
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