What is she doing?
She's punching.
What is he doing?
He's sleepwalking.
What is she doing
She's drooling.
What is he doing?
He's tossing and turning (shifting).
What's she doing while sleeping?
She's talking while sleeping.
What is she doing?
She's grinding her teeth.
What is she doing?
She's hogging (occupying) the bed.
If you're settling or moving into a warm, comfortable position, you are....
snuggling
What is the baby doing while sleeping?
He's sweating.
If you breath noisily through the nose while sleeping, you are....
snuffling
What's the dog doing?
It's farting.
What is the baby doing while sleeping?
He's laughing (smiling).
What is she doing?
She's snoring.
What has a kid done?
He's wetted the bed.