SleepTank™ allows you to monitor how sleep fuels your alertness.

Track your sleep over time -- not just how you slept last night—using the SleepTank™
• Forecast the impact of prior sleep history on future alertness
• Reflects the cumulative quantity and quality of ALL prior sleep
• Calibrated to your individual sleep goal

Proactively plan sleep to improve alertness
• Visualize when alertness will become seriously impaired
• Plan when to go to bed to restore alertness
• Plan the length and timing of naps
• Visualize how a nap will extend alertness

Visualizes the SleepTank™ History to see Trends in Sleep Health

Ideal app for workers planning sleep to be alert on the job, such as shift workers, airline pilots, and emergency workers.

Works with all Fitbit wearables with sleep scoring + heart rate.