24 hours.
i really like this sleeping bag.  i had a difficult time getting it back into the bag...but i did manage to get it in.  after i stuffed it into the bag; i used the straps to compact it down to a smaller size.  really nice.  like the description says, it can easily fit one person.  two people would be a very tight squeeze.  in the photo i am comfortable, but my 10 year old daughter is hanging out a little bit.
beautiful, lightweight sleeping bag. i love the colors, inner lining looks much prettier and is much softer than i expected.  we will 