Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Sleep Time - Alarm Clock - Sleep Time provides insight into your sleep patterns. By tracking your level of movement throughout the night, Sleep Time generates customized sleep data in easy-to-read charts.
Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.