Hi, I think the issue you're experiencing is related to the way that your phone handles background processes when it's in sleep mode. When your phone goes into sleep mode, some apps may be paused or even terminated to conserve battery life, which could be causing the issue you're experiencing with Chatty.
One possible solution you can try is to go into your phone's settings and make sure that Chatty is allowed to run in the background, even when your phone is in sleep mode. This will ensure that the app can continue to receive and process incoming messages even when your phone is in a low-power state.
One possible solution you can try is to go into your phone's settings and make sure that Chatty is allowed to run in the background, even when your phone is in sleep mode. This will ensure that the app can continue to receive and process incoming messages even when your phone is in a low-power state.