its a sign he wants you to rock his world.that or he is masturbating.
I would think his underwear. A lot of young boys sleep in their underwear.
It is absolutely OK to sleep without pajamas or underwear. Nobody likes to feel restricted when they sleep.
Not necessarily.
All the guys in TH has said they sleep in their underwear.
Yes, it is ok to sleep without underwear because it may be more comfortable for some people and you're in the privacy of your bed.
Girls should sleep in cotton to prevent infections.
You need to wear loose, cotton underwear and you can sleep on your back or side.
You should sleep any way that you feel comfortable. Most boys sleep in boxers
ANSWER: Maybe there are some husbands who get rid of his underwear so his wife will not know. In second hand I don't think so, what he will do is maybe check the inside of his underwear just to be sure, or wash it himself. But for others and I will use the man I marry, when he was having the affair he never really care if his underwear is stain he will just tossed it in our hamper.
Of course, you don't have to wear anything to go to sleep or to bed.
Depends on what's more comfortable.
It isn't necessary bad to wear underwear when you sleep, some people like the comfort of being totally nude and the feeling of the sheets agains they bodies.