This issue I noticed,once i updated my android to 4.3. The issue is after every 1 min the lock screen automatically turns on. There was no problem before. Please help,i dont want to degrade to 4.1 again.
Device-Samsung Galaxy Note 2.
I also recently upgraded my Note2 from 4.1 to 4.3 and was having the same problem. I installed the Wakelock Detector by UzumApps and found that the Noom Walk pedometer app was waking the screen. I uninstalled the Noom Walk app and the screen no longer wakes. The Noom developers have posted a test APK which can be found here: http://noom.uservoice.com/forums/207934-feature-requests-noom-walk-/suggestions/4147991-fix-noom-walk-on-the-samsung-galaxy-note-ii I have not tried it yet. I may post more later if I try installing it.
Check if you have 'Daydream' turned on. Settings->Display->Daydream on Android 4.4. I was playing with my Nexus 7 and noticed that it would bring up the clock when I left it alone so it could be that. I must have turned it on when I was playing around with new features as it was introduced in Android 4.2.