With one of the last firmware this bug was introduced that causes the low power mode to be enabled all the time after your sleep time.
That means the onExitSleep() method isn't called anymore. This cause all wrist gesture based app logic to be ignored and never called.
I'm using the hight power mode in a watch face to request weather information or render graphs into a buffered bitmap. The complete logic doesn't work anymore.
But there is an unacceptable workaround: when you toggle to any other view and back to the watch face everything work fine.
Thanks for your support.