NapSmart – Power Nap Timer

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Content rating
Everyone
10+
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Content rating
Everyone
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About this app

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 nap timer with Power Nap, relaxing sounds and a gentle alarm.
Updated on
Aug 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

• 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