Soothing stuffed animals, self-appointed coaches, massages, night nannies. Many exhausted parents are looking for solutions to help their child sleep.

“As soon as we received them in December, we were robbed,” marvels the employee of the Bambinou boutique, in the center of Paris. Under their fur, a musical box reproduces the heartbeat and the crash of the waves; a sound frequency supposed to cover extraneous noises and to be triggered at the slightest cry of infants.