Probably depends how hot the fire is as well as how big the fire is.

Justin.TV has all sorts of different web cam streams.

You will find everything from people live casting their lives to people dancing and even live tv streams.

I've done it plenty of times.  

I've eaten lots of things I've left out overnight without an issue.  Pizza, chicken, amongst other things.

I doubt I'd put it back in the fridge and save it for later after spending the night incubating in a warm room though.