Hy!
I have a Redmi 3 PRO with MIUI v8 6.8.11 (naturally this rom is multi rom :P) but unfortunately this rom have a irritating bug.
This bug is - too many wakelock but not for user programs! (This bug has been seen on my redmi 1s with a lollipop (cm12.1 - 5.1) rom.) This bug is "Google bug" ...