Galaxy S7 Screen freezes on wakeup until I hit the back button

If I press the power button to turn my screen off, and then press it again to turn the screen back on, everything lights up but is totally unresponsive to touch. I have to press the back button, and then everything starts functioning again. This occurred a couple months ago, and continues even with this latest update. Reboot doesn't help. No recent apps added. Any tips? Thx!
Android 8.0.0
Samsung Experience 9.0

from Android Forums at AndroidCentral.com - Ask a Question https://ift.tt/2qhlI62
via IFTTT