NapSmart – Power Nap Timer
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Science-based nap timer with Power Nap, relaxing sounds and a gentle alarm.
- Downloads
- 35+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Aug 11
- 2026 · v1.4
Screenshots
About NapSmart – Power Nap Timer
Sleep too little and wake up groggy? NapSmart is the nap timer built on sleep science: pick the right duration, fall asleep to relaxing sounds, and wake up at the perfect moment, full of energy.
⏱️ SCIENCE-BASED NAPS, READY TO USE
• Power Nap – 20 min: a quick recharge, ideal mid-day
• NASA Nap – 26 min: the duration studied by NASA for pilots
• Full Cycle – 90 min: one complete REM cycle, with no sleep inertia
• Coffee Nap – 20 min: drink a coffee then nap, and wake up as the caffeine kicks in
🌙 WHY IT WORKS
NapSmart keeps you in the right sleep stages to avoid that foggy wake-up. Every preset explains the science behind it.
🎵 RELAXING SOUNDS
Sea, rain, nature, wind, fire and city: choose the perfect background to fall asleep faster, with adjustable volume.
⏰ GENTLE ALARM
Several alarm sounds with gradually rising volume for a smooth, natural wake-up.
📊 STATS AND GOALS
Track your naps, build your streak, and hit your weekly goal.
✨ MORE FEATURES
• Buffer time to fall asleep calmly before the timer starts
• Tip of the day
• 6 languages
• Works offline: your data stays on your phone, no sign-up
Download NapSmart and rediscover how much a well-timed nap can recharge you.
⏱️ SCIENCE-BASED NAPS, READY TO USE
• Power Nap – 20 min: a quick recharge, ideal mid-day
• NASA Nap – 26 min: the duration studied by NASA for pilots
• Full Cycle – 90 min: one complete REM cycle, with no sleep inertia
• Coffee Nap – 20 min: drink a coffee then nap, and wake up as the caffeine kicks in
🌙 WHY IT WORKS
NapSmart keeps you in the right sleep stages to avoid that foggy wake-up. Every preset explains the science behind it.
🎵 RELAXING SOUNDS
Sea, rain, nature, wind, fire and city: choose the perfect background to fall asleep faster, with adjustable volume.
⏰ GENTLE ALARM
Several alarm sounds with gradually rising volume for a smooth, natural wake-up.
📊 STATS AND GOALS
Track your naps, build your streak, and hit your weekly goal.
✨ MORE FEATURES
• Buffer time to fall asleep calmly before the timer starts
• Tip of the day
• 6 languages
• Works offline: your data stays on your phone, no sign-up
Download NapSmart and rediscover how much a well-timed nap can recharge you.
What’s new
Version 1.4 · Updated August 11, 2026
• More reliable stats: your streak no longer resets when the clocks change • Naps finished with the screen off are now recorded correctly • The weekly goal starts on Monday • Various fixes and improvements