People all over the world are looking for ways to improve their sleep. Good sleep has become a talking point, and there are many products that analyse and optimise sleep. But what’s a really smart way of sleeping? What is the value of sleep? Sleep is not time wasted or simply the period between the evening and the morning, but rather an essential function of the body that promotes internal adjustment and renewal. The right bed and the ambience in the room also have an important role to play.