Hello @Moaab, I've noticed you are new around in a Community so welcome aboard. @SteveH is right, in order to start the sleep feature with your One is require to manually start this feature.
Since the One does not have the autosleep function. Once you are in bed and ready to fall asleep, press and hold the tracker's button for several seconds. You will see a stopwatch begin to count, and the other tracker icons will blink, indicating that you are in sleep mode. When you wake up, hold the button down for several seconds to stop the sleep recording. Your tracker's icons will stop blinking, indicating that you've exited sleep mode.
Keep us posted how it goes and see you around.
Roberto | Community Moderator"Great things are done by a series of small things brought together.” What's Cooking?
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