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Sleep Cycle Calculator
Free sleep calculator based on 90-min cycles
Stop waking up groggy. Sleep Cycle Calculator finds the exact time you should go to sleep or wake up — based on your body's natural 90-minute sleep cycles. Tell it when you need to wake up → get the best bedtimes Going to sleep now → get the best wake-up times Includes a nap calculator (20 / 60 / 90 min) Free, no sign-up, no ads. Built because timing your sleep cycles actually works.
About Sleep Cycle Calculator on Product Hunt
“Free sleep calculator based on 90-min cycles”
Sleep Cycle Calculator was submitted on Product Hunt and earned 0 upvotes and 0 comments, placing #160 on the daily leaderboard. Stop waking up groggy. Sleep Cycle Calculator finds the exact time you should go to sleep or wake up — based on your body's natural 90-minute sleep cycles. Tell it when you need to wake up → get the best bedtimes Going to sleep now → get the best wake-up times Includes a nap calculator (20 / 60 / 90 min) Free, no sign-up, no ads. Built because timing your sleep cycles actually works.
On the analytics side, Sleep Cycle Calculator competes within Web App, Health & Fitness and Productivity — topics that collectively have 857.2k followers on Product Hunt. The dashboard above tracks how Sleep Cycle Calculator performed against the three products that launched closest to it on the same day.
Who hunted Sleep Cycle Calculator?
Sleep Cycle Calculator was hunted by 李贺. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Sleep Cycle Calculator including community comment highlights and product details, visit the product overview.
李贺