Sleep Cycle is a smartphone app that uses audio analysis to track sleep duration, interruptions, and stages with research‑grade accuracy, eliminating the need for wearables. Its Smart Alarm wakes users during the lightest sleep phase within a customizable window, while features like Sleep Sounds, guided Sleep Aid, and snore detection help create a better sleep environment. The app provides personalized sleep scores, daily insights, and educational content to help users improve their sleep habits and overall health.
Funding
Funding not disclosed
Founders
Product
Problem
Many people struggle to understand their sleep patterns and improve rest because traditional sleep tracking often requires wearables or complex equipment, leading to inaccurate data and limited actionable insights.
Solution
Sleep Cycle offers a smartphone-based sleep tracking app that uses advanced audio analysis to monitor breathing and movement, delivering research‑grade measurements of sleep duration, interruptions, and stage distribution without any wearable devices. The app’s Smart Alarm identifies the optimal moment within a user‑defined wake‑up window to gently rouse the sleeper during the lightest sleep phase, reducing morning grogginess. Integrated features such as Sleep Sounds, a guided Sleep Aid, and snore detection provide tools to create a conducive sleep environment and identify nighttime disturbances. Leveraging a database of billions of sessions, the platform applies machine‑learning models to generate personalized sleep scores and data‑driven recommendations, helping users adjust habits and improve overall health. Educational content, including masterclasses with sleep expert Dr. Mike Gradisar, further supports users in adopting healthier sleep routines.
Target Audience
Sleep Cycle targets individual consumers seeking to monitor and improve their sleep, as well as health‑focused apps and wellness programs that want to incorporate accurate, wearable‑free sleep analytics for their users.
Features
- Audio‑based tracking that captures sleep duration, interruptions, and light, deep, and REM stages with patented precision, eliminating the need for wearables
- Smart Alarm that syncs with the user’s sleep cycle to wake them during the lightest phase within a customizable 10‑30 minute window
- Sleep Sounds library and Sleep Aid guided sessions offering curated music, nature sounds, and bedtime stories to facilitate relaxation
- Snore and sleep‑talk detection with playback, allowing users to identify sources of nighttime disturbances
- Personalized sleep score and daily insights powered by machine‑learning analysis of over 3 billion recorded nights
- Integrated health education via the Science of Sleep masterclass series and practical healthy‑sleep habit guides
- Cloud‑based analytics and secure data storage ensuring privacy while providing detailed nightly reports and trend visualizations