NapBot - NapBot is Machine Learning powered sleep tracker for your Apple Watch.
Cardiogram: HR Monitoring - Accurately measure and monitor your heart rate over the whole day.
Rise: Track Sleep & Circadian - Wake up & fall asleep better
Welltory - Manage your energy, not your time. Improve your focus & performance with small changes in your lifestyle. Quantified self dashboard for hardworkers.
Withings Sleep - A sleep tracking mat by Withings
Instant Heart Rate - The first, fastest, and most accurate mobile heart rate monitor.