Abnormal is the opposite of normal.


So if he doesn't or didn't normally sleep in your bed, then yes it is abnormal that he wants to do so now.

If this is something he usually does, then its normal.


Not recommended by the vast majority it seems (not sure why) but normal for him nonetheless.


If its abnormal there's probably a good reason for that, and I'm guessing divine's reply is closest to the truth.