Ummm...yeah. Some days when I cuddle DD in the morning, she smells like vomit. So much that I shower her even though she's had a bath the night before and clean bed linens and clean jammies.
DD is a "hot sleeper" and when we check on her sometimes she's drenched in sweat (check out my picture of her on the left). Other times, she's just fine not a sweaty mess.
My DH has an incredibly fast metabolism and pumps off heat all the time. I can't hardly snuggle up to him cuz I get to hot, so I think she gets it from him as well.