**Must have root**

As the title says, stop your home key from waking your device.....(then only power button wakes it up  )

you can do this simply with root explorer
(THERE ARE OTHERS TO USE MAYBE EVEN FREE, THIS IS ALL I HAVE EVER USED IS ALL)

ONLY MODIFY THE FILE SPECIFIED!
OR PLAY AROUND AT YOUR OWN RISK AS NOTHING OTHER THAN MENTIONED FILE IS TESTED....



open root explorer

navigate to : system/usr/keylayout
now press the mount r/w button near the top of screen to enable read and write permissions

scroll down to: sec_keys.kl
press and hold until menu pops up, select: Open in Text Editor

locate line: key 172 HOME WAKE

tap behind the word WAKE and delete it so you see: key 172 HOME

press menu and select: Save and Exit

now press the button at the top of the screen to disable read and write permissions: Mount R/O
(once pressed should now read : Mount R/W again.

Exit root explorer

Reboot your phone

see if it works

Credit goes to Eric