Sleep function error on the Spark 3

L06
L06 Registered Users Posts: 1
New Traveler
edited January 24 in TomTom Sports
Hi, since a few days my watch (tomtom spark 3 cardio) doesn't track my sleep anymore. It just says 0:00 hours of sleep every morning when I wake up. Does anybody else have this problem or knows how to fix it?

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