Track your nightly sleep in Google Calendar

Fitbit designs products to track everyday health and fitness, empowering and inspiring people to lead healthier, more active lives. Turn on Applets to track your fitness and sleep goals, build healthier habits, and sync your fitness data to hundreds of other services.
Google Calendar is a free time-management web application offered by Google. Turn on Applets to add the most important information, right into your calendar, automatically — and get custom notifications about the events that matter the most to you.