The term cry it out can refer to lots of different sleep training methods, all of which involve a degree of crying to get your child to sleep. (romper.com)
She provided us with an overview of sleep, infant development, and different sleep training methods ranging in varying degrees of parental involvement. (megganhartman.com)
There are many different sleep training methods, but Kulich encourages parents to refrain from picking baby up to soothe her and then putting her back to bed. (thebump.com)