Toddler Sleep Business: “Exhausted Parents are the Perfect Target for Charlatans”. Pediatric professor Christèle Gras-Le Guen warns against gadgets and other coaches that promise to make children sleep.

There are these stuffed animals that emit sounds, called “white noise,” to soothe babies, meditative storytellers at bedtime, sleep coaches who sell — figuratively and literally — restorative nights to parents. How to explain it? Subscribe Already subscribed? To log in, click here.