I have been trying kitkat (cm11, aokp, aospa) recently and I was amazed by its performance. However I noticed that after using it like 30 minutes this bug happens: turn screen off and turn it back on right after that it takes like 10 secs or even more than that for the screen to wake. It is just annoying. I wonder if this happens because I move to kitkat from custom rom or it is a bug. Kitkat development is stopped for a long time but it seems like no one had such problem when they commented on kitkat threads. Can anyone help me?