Samsung SM-R500NZKAXAC User Manual page 72

Apps and features
Measuring your sleep pattern
1
Sleep while wearing the Galaxy Watch Active.
The Galaxy Watch Active will start to measure your sleep pattern.
2
(Samsung Health) on the Apps screen after you wake up.
Tap
3
Swipe upwards or downwards on the screen and open the sleep tracker screen.
4
View your sleep pattern and information.
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