Zwift have been aware of this issue for at least 2 years https://forums.zwift.com/t/apple-watch-2-not-working-correctly-and-not-turning-off/2606/2
Zwift have been aware of this issue for at least 2 years https://forums.zwift.com/t/apple-watch-2-not-working-correctly-and-not-turning-off/2606/2