Tracks movement and sounds to analyze sleep patterns daily and over time and uses a smart alarm to wake you in lightest phase of sleep for less grogginess Free: IOS, Android
Sleepyti.me
Calculates optimal sleep and wake times based on average 90 minute sleep cycle and sets alarm. Free: Website
Sleepytime Sleep Scheduler
Tracks movement and sounds to analyze sleep patterns daily and over time and uses a smart alarm to wake you in lightest phase of sleep for less grogginess Free: IOS