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Sleep Time Optimizer

Your Personal Sleep Calculator

Use our free sleep cycle calculator to find the perfect bedtime and wake-up time based on your age, BMI, and health. Science-backed. Personalized. Takes 30 seconds - no sign-up needed.

Top comment

What inspired me to build Sleep Time Optimizer was a personal frustration. I kept waking up exhausted even after getting 7-8 hours of sleep every night. After some research, I realized the problem wasn't how long I slept - it was when I slept and whether my body was completing full 90-minute sleep cycles. I started looking for a calculator that could help, but everything I found was too generic. None of them considered age, BMI, or existing health conditions - factors that genuinely and significantly affect how much sleep a person needs and when they should sleep. The problem I was trying to solve is one that millions of people face without realizing it. Most people follow the "sleep 8 hours" rule without understanding that sleep quality depends on completing full sleep cycles - and that the right bedtime is different for a 25-year-old and a 60-year-old, for someone with diabetes versus someone without. Sleep Time Optimizer calculates a personalized bedtime and wake-up time based on your actual age, BMI, and health profile - not just a one-size-fits-all number pulled from a generic recommendation. My approach evolved quite a bit during the process. I started with the idea of building a simple bedtime calculator - something quick and easy. But the deeper I went into the sleep science - CDC guidelines, AASM recommendations, circadian rhythm research - the more I realized that a truly helpful tool needed to go further. So I built in age-based sleep adjustments, BMI-based calculations, and health condition inputs. The goal shifted from "tell people when to sleep" to "give people a genuinely science-backed, personalized sleep recommendation that actually fits their life." That's what Sleep Time Optimizer is today - and I'm excited to keep improving it based on user feedback.

About Sleep Time Optimizer on Product Hunt

Your Personal Sleep Calculator

Sleep Time Optimizer was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #7 on the daily leaderboard. Use our free sleep cycle calculator to find the perfect bedtime and wake-up time based on your age, BMI, and health. Science-backed. Personalized. Takes 30 seconds - no sign-up needed.

On the analytics side, Sleep Time Optimizer competes within Health & Fitness, Meditation and Lifestyle — topics that collectively have 97.2k followers on Product Hunt. The dashboard above tracks how Sleep Time Optimizer performed against the three products that launched closest to it on the same day.

Who hunted Sleep Time Optimizer?

Sleep Time Optimizer was hunted by Sleep Time Optimizer. 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 Time Optimizer including community comment highlights and product details, visit the product overview.