I have done this, not as a dare but as a demand from my on line domme. While I was on my web cam, she had me both pee and cum on my pillow, then she told me to sleep on it all night. Was alittle damp, but once you get to sleep it is ok. Unless you turn you face into the pillow and breath deep.
My first one. This dare was given to me by someone in the chat, right before bedtime last night. I was already horny and just grabbed my pillow to jizz all over it. It was a lot of cum and when I looked at it I was thinking: "Gross! I will NOT sleep on that!" But after it had dried some more it was ok, so I finally got some sleep - in my own cum.