Ever wake up exhausted after a full 8 hours? The problem isn't how long you sleep — it's when you wake up. Best Time For Bed is a free sleep cycle calculator that figures out the exact times you should go to sleep or wake up, based on natural 90-minute sleep cycles. ✅ What makes it different: • Age-specific recommendations (teens, adults, seniors) • Works both ways — calculate bedtime OR wake-up time • Includes nap calculator, sleep debt tracker & sleep hygiene guides 100% free in browser

Hey Product Hunt! 👋 I built Best Time For Bed after struggling to wake up refreshed even after sleeping 8+ hours. Turns out, it's not about total sleep time — it's about waking up at the end of a 90-minute sleep cycle. The calculator is completely free, works on any device, and gives you personalized recommendations based on your age group. Built the entire website using DeepSeek AI which let me go from idea to a live product incredibly fast — proof that solo makers can ship quality tools quickly with AI! 🤖 Would love your feedback — especially on: - Which features you find most useful - Any features you'd like to see added Try it free at 👉 besttimeforbed.com Happy to answer any questions below! 🙏

Best Time For Bed

Find your perfect bedtime based on 90-minute sleep cycles

Find your perfect bedtime based on 90-minute sleep cycles