20 to 40% of employees complain to occupational medicine about having bad nights. 77% of French people (almost 4 out of 5) do not feel ready to start a new working day every morning.

More than 60% want to sleep at work. With a good night's sleep, alternating phases of slow, deep and paradoxical sleep during which the brain discharges through dreams or nightmares, we are supposed to wake up rested. “No, sleeping is not a waste of time,” asserts Mélanie Gillant, nurse for the Thalie occupational health and prevention service. The brain needs it.