Neither my daughter or son sleeps with a particular stuffed animal or blanket, but numerous friends have told me their children do. And, that they introduced lovies like this one from Red Envelope early on in sleep training sessions to help their kids feel comfortable when falling asleep on their own at night.

Most parents also advise that new parents invest in more than one since kids quickly become attached to the blankie and hell breaks loose when it's being laundered or lost.