I have the SOD problem with the official rom (asus), not rooted, at the last version.
I have the problem even if wifi is off prior to put it to sleep (power off, no shutdown). If it stay docked with keyboard, i have no problem. It looks like i always have the problem without dock, after about 20 minutes, it no longer resume and have to press power button for 10 secondes and then it restart to boot like if has been shutdown.
Is there a log file somewhere ?
I did not notice this problem the first few day i had my tf, only since yesterday.
Maybe one of the installed program is causing the problem ?
Adobe Flash Player 10.3
Angry Birds (another one)
Angry Birds Rio
Bubble Blasts 2
Drag Toilet paper
Google Sky map
How to Tie a Tie
Talking Roby Free
Tic Tac Toe
the ones i have installed lately :
bang Bang racing
reckless Racing lite
I hope they can solve the problem soon, cause that make no sens to have to always reboot (take ~15 sec)