NapSense

Sleep Detection Perfect Timing

Only for iPhone

Free · Designed for iPhone

iPhone

Biohack your naps! AI detects when you fall asleep, then starts your 20-min timer. Science-backed perfect timing. Join the power nap revolution. Try free! NapSense revolutionizes power napping with AI-powered sleep detection technology. Unlike traditional timers that start immediately, NapSense waits until you're actually asleep before beginning your nap countdown. THE SCIENCE OF PERFECT NAPS Scientific research shows 20-minute power naps significantly boost productivity and alertness. NapSense ensures you get the full benefit by detecting real sleep onset through advanced motion analysis—no more wasting precious nap time trying to fall asleep! KEY FEATURES ■ Smart Sleep Detection Using your iPhone's advanced sensors and AI algorithms, NapSense detects when you've fallen asleep through motion analysis. The timer starts ONLY after you're actually sleeping. ■ Biohack Your Energy Set your optimal nap duration (5-120 minutes). Science shows 20-minute naps avoid sleep inertia while maximizing cognitive performance. Wake up refreshed, not groggy. ■ Premium White Noise Library Fall asleep 40% faster with scientifically-designed soundscapes: • Rain - Proven to reduce cortisol levels • Ocean Waves - Promotes delta brain waves • Pure Rain - Blocks disruptive frequencies • Mid Nights - Ambient frequencies for deep relaxation ■ Live Activities & Dynamic Island Track your nap in real-time on iPhone 14 Pro and later. Monitor detection status and countdown without unlocking your phone. Perfect for office power naps. ■ Personalized Wake Experience Gentle, progressive alarms that work even in silent mode. Choose from natural sounds that align with your circadian rhythm for easier awakening. ■ Sleep Analytics Dashboard Track your nap efficiency metrics: - Time to fall asleep trends - Actual vs. intended nap duration - Optimal nap timing patterns - Weekly productivity score ■ Flexible Modes - Auto-Detect: AI monitors and starts timer automatically - Quick Start: Skip detection for rapid 8-minute Navy SEAL naps - Focus Mode: Blocks notifications during your power nap PERFECT FOR HIGH PERFORMERS • Tech Workers: Combat the 2PM productivity dip • Students: Boost memory consolidation between study sessions • Parents: Maximize recovery during baby's naptime • Shift Workers: Optimize irregular sleep schedules • Athletes: Enhance recovery and performance • Entrepreneurs: Join the biohacking revolution WHY NAPSENSE? • Increase productivity and focus • Improve decision-making abilities • Boost creative thinking • Reduce stress and fatigue PRIVACY FIRST No account required. No data uploaded. Your sleep patterns stay private on your device. We believe your biometric data belongs to you alone. OPTIMIZED FOR iOS Built natively for iPhone with iOS 16+ features including Live Activities, Dynamic Island, Focus Mode integration, and Apple Health sync (optional). Join thousands optimizing their energy with science-backed power naps. Download NapSense today and experience the productivity transformation!

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We’ve swept away the bugs and polished the experience.

Version 1.0.3

The developer, CHI-YU WU, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Seller
    • CHI-YU WU
  • Size
    • 18 MB
  • Category
    • Health & Fitness
  • Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    • English and Traditional Chinese
  • Age Rating
    9+
    • 9+
    • Learn More
    • Contains
      Advertising
      Health or Wellness Topics
  • Copyright
    • © 2025 Orca Studio
  • Developer Website
  • Privacy Policy

    • More by CHI-YU WU

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