The challenge with sleeping bags is to get warmth without too much packing bulk.
Personally, I don't like a mummy sleeping bag. It's truly not necessary for most camping situations. The challenge with sleeping bags is to get warmth without too much packing bulk. I've chosen The North Face Eco Trail Bed 20 Sleeping Bag. It will take you as low as 20ºF (-7°C ) yet it weighs only 5 lbs and packs down to an 11″ x 20″ stuff sack. Ideal for your first time camping solo.