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Sleep Calculator
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Sleep Calculator
Calculate your perfect bedtime & wake up time
# Healthcare
Featured on : Jun 24. 2025
Featured on : Jun 24. 2025
What is Sleep Calculator?
Use our sleep calculator to find the best time to go to bed or wake up, based on 90-minute sleep cycles. Wake up refreshed and alert!
Problem
Users manually calculate sleep cycles which leads to inconsistent sleep schedules and suboptimal wake-up times causing grogginess
Solution
A web/mobile tool that lets users calculate bedtime & wake-up time based on 90-minute sleep cycles, ensuring alignment with natural sleep phases for refreshed mornings
Customers
Health-conscious individuals, busy professionals, students, and shift workers prioritizing sleep quality
Unique Features
Focuses exclusively on 90-minute sleep cycle optimization, simple input/output interface, no complex sleep tracking requirements
User Comments
Improved morning alertness
Easy to use
Accurate wake-up times
Lacks integration with smart alarms
Needs more customization options
Traction
Ranked #1 Product of the Day on ProductHunt with 800+ upvotes
4.8/5 rating from 200+ reviews
No disclosed revenue or user numbers
Market Size
Global sleep tech market size was valued at $15.1 billion in 2023 (Grand View Research)