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By default, SmartTrack detects continuous movement of at least 15 minutes in length. You can increase
or decrease the minimum duration or disable SmartTrack for 1 or more exercise types.
For more information about how to customize and use SmartTrack, see help.fitbit.com.
Track your sleep
Wear FB504 & FB505 to bed to automatically track your time asleep and sleep stages. To see your sleep
stats, sync your watch when you wake up and check your dashboard.
For more details about sleep tracking, see help.fitbit.com.
Set a sleep goal
By default, you have a sleep goal of 8 hours of sleep per night. Customize this goal to meet your needs.
For more information about your sleep goal, including how to change it, see help.fitbit.com.
Set a bedtime reminder
The Fitbit dashboard can recommend consistent bedtimes and wake times to help you improve the
consistency of your sleep cycle. You can choose to be reminded nightly when it’s time to start getting
ready for bed.
For more information about how to set bedtime reminders, see help.fitbit.com.
Learn about your sleep habits
FB504 & FB505 tracks several sleep metrics including when you go to bed, how long you’re asleep, and
your time spent in each sleep stage. When you use FB504 & FB505 with the Fitbit dashboard, your watch
can help you understand how your sleep patterns compare to others who share your age range and gender.
For more details about sleep stages, see help.fitbit.com.
See your heart rate
FB504 & FB505 uses PurePulse technology to track your heart rate automatically and continuously.
FB504 & FB505 allows you to view your real-time heart rate and your resting heart rate on your watch in
the Today app ( ). Certain clock faces show your real-time heart rate on the clock screen.