snore
You can hear things when you are sleeping. For instance if while you are asleep, someone makes a loud noise, this will wake you up. You must therefore have heard the noise while you were asleep.
Begging? or beginning? In the latter case, the answer could be snore.
You snore when your asleep
snore
Its okay if they do that, they make noises in their sleep like we do. My familes Yorkshire Terrier even snores slightly when he's asleep!
A white noise maker is often used to help people fall asleep. A common form of white noise is static from a television channel. Many times people fall asleep to that kind of static.
By noise or somebody waking you up.
if they exist... most likely the same that makes us fall asleep.
He may be hiding, as opposed to asleep. The noise of the filter may be frightening to him.
it makes you fall asleep
triptophan
it makes a hollow noise when you pull on it but when it is a normal piece of paper it makes a crinkly noise