Quote:
Originally Posted by Hektore
You know, this has been said twice now, and It's not quite true. Yes, if you wear clothing inside a sleeping bag, then you lower the efficacy of the bag. BUT (big but) you've increased the usefulness of the clothing, because the air around it is warmer. so while the temperature just inside the bag is cooler, the temperature inside your clothing (and right next to your body) is warmer.
By the logic in the quote putting my 50 degree sleeping bag (which is nothing more than a fleece blanket with a zipper) inside my 20 degree bag actually would make me colder. I can assure you this is not the case.
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Yeah, I can testify to this. I've camped in some really, really cold places. It's much more effective to leave all my clothes on. It takes an hour or two for the space between clothes and bag to fully warm, but once it does, its definitely warmer. I've done it both ways.
So to sum up the thread, if you pee you'll need less energy to stay warm. However, you also lose the heat previously invested. So there's no question that you lose heat in the short term, in the long term I think it would depend on metabolism if it keeps you warmer (moot point though since you can't hold it long term).
I'd still like to hear experiences though...next time I go camping in a cold place I'll be sure to pay more attention.
This would be a good mythbuster's myth. There's gotta be a reason it started in the first place.