Watch on charger muted?

Guys maybe you know this. When i put my Gear S2 Classic on the charger, all notifications arent working anymore. Especially when i use the 3th party app "Notifications for Gear S 1 & 2" (alternative for whatsapp which shows more messages then the original notifier). But somehow after putting the watch on the charger, and when you get it off again, the notifications doesnt work anymore. I didnt test this the orignal notifier, but when the watch is on the charger, does the watch get muted for all notifications (because you see no notifications after you removed it from the charger)?

Does the watch also get muted when its of the wrist? Does it sense when its of the wrist/charger?

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