In this game Obsessed means- Scared likes to do it for a long time.
You never play the computer because your Obsessed with going asleep. One day you've tried to not fall asleep. But then out you play the computer and find Sploder. Now your scared/Obsessed of falling asleep because things haunt you for not sleeping. Go into a different kind of world and try to suck yourself out of the haunt. This is Obsessed.