Red bar in Hypnogram

Hey,
Today’s sleep tracking is a little weird.
I have a red section that’s lower than the deep sleep bar in the Hypnogram.
The “Understanding sleep graphs” section also doesn’t help. There are the 4 different types in the Hypnogram explained but the 4th is empty.
(See attachments)

Screenshot_understandingsleepgraphs

The red bar means something like “no connection to device” or “battery saver active”. So basically the app doesn’t have data from that period.

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Thanks for the info. Weird, worked before, worked afterwards. Would be interested what caused that short error. :smiley: