For their own sleeping bag, see: Leo's Sleeping Bag, Quincy's Sleeping Bag, June's Sleeping Bag and Annie's Sleeping Bag.
Little Einsteins' Sleeping Bags are objects that are only used in A Galactic Goodnight.
Summary[]
In A Galactic Goodnight, the Little Einsteins uses their sleeping bags to have a sleepover inside a Rocket room.