SleepCraft

Sleep smarter. Wake refreshed. Every single morning. SleepCraft calculates your optimal sleep and wake times based on 90-minute sleep cycles — so you wake up at the end of a cycle feeling energized, not groggy. ━━━━━━━━━━━━━━━━━━━━ HOW IT WORKS Your sleep moves through 90-minute cycles of light, deep, and REM sleep. Waking up in the middle of a cycle makes you feel tired. Waking at the end of a cycle makes you feel refreshed. SleepCraft does the math for you. ━━━━━━━━━━━━━━━━━━━━ TWO MODES "I need to wake up at..." Tell us your wake-up time. We'll show you the best times to go to sleep — with 3, 4, 5, or 6 complete sleep cycles. "I'm going to sleep now" Going to bed? We'll calculate the best times to set your alarm so you wake at the end of a cycle. ━━━━━━━━━━━━━━━━━━━━ FEATURES Sleep Cycle Calculator Calculate optimal bedtimes and wake times based on 90-minute sleep cycles. Accounts for the average 14 minutes it takes to fall asleep. Set Alarm Set your phone alarm directly from the results screen. One tap — your alarm is set at the perfect time. Sleep Quality Ratings Each option is rated: Perfect (6 cycles, 9h), Great (5 cycles, 7.5h), Good (4 cycles, 6h), or Minimum (3 cycles, 4.5h). Sleep Cycle Visualization See a beautiful wave diagram showing how sleep cycles work — light, deep, and REM stages explained visually. 15 Expert Sleep Tips Science-backed tips to improve your sleep quality: room temperature, screen time, caffeine, exercise timing, and more. Customizable Fall-Asleep Time Everyone falls asleep at different speeds. Adjust the fall-asleep time (default 14 minutes) in settings for more accurate calculations. Beautiful Night UI Calming dark theme with stars and moon — designed to be easy on your eyes at bedtime. ━━━━━━━━━━━━━━━━━━━━ WHY SLEEPCRAFT? - Based on real sleep science (90-minute cycles) - Set alarm with one tap - Beautiful, calming night-sky design - 100% offline — no internet needed - No account or sign-up required - No ads. No tracking. Just sleep. - Lightweight and fast ━━━━━━━━━━━━━━━━━━━━ PRIVACY SleepCraft does not collect any data. Your sleep times stay on your device. We don't use analytics, ads, or tracking of any kind. ━━━━━━━━━━━━━━━━━━━━ Perfect for: - Anyone who wakes up feeling tired - Students with early morning classes - Professionals with irregular schedules - Night owls trying to fix their sleep - Parents planning sleep around a baby's schedule - Anyone curious about sleep science ━━━━━━━━━━━━━━━━━━━━ Stop waking up groggy. Download SleepCraft — it's free