40 Why is sleep data inaccurate?
Sleep state is deduced from wrist movements made while the user is asleep. This data
is captured with a capacitive sensor, using a pioneering multi-parametric approach.
Sleep readings are too low: If frequent wrist movements are detected, the Band may
determine that the user is awake and discard sleep data. If the user takes a nap lasting
less than 20 minutes, this might not be detected by the Band and sleep data will not be
recorded.
Sleep readings are too high: Sensors may interpret that the user is asleep if wrist
movements are infrequent and resemble those of a sleeping person. This can lead to
data inaccuracies. For example, when you watch television or use a tablet, infrequent
or limited wrist movement may cause the Band to determine that you are asleep.
The development team is currently optimizing sleep sensor algorithms and will
release improvements in future updates.
41 How can I view monthly activity or sleep data?
1. View data for an activity
You can swipe up or down on the screen to view activity data while exercising.
Note: The running icon is not displayed unless running activity is detected.
You can also connect the Band to your phone and use the phone app to view activity
data.
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