The debate - Should high school start later in the morning?

Debate between Professor Raphael Heinzer, Director of the Centre d'investigation et de recherche sur le sommeil at CHUV, Gilles Pierrehumbert, teacher and President of the Société vaudoise des maîtres et maîtresses secondaires, and Sylvie Bonvin-Sansonnens, Fribourg State Councillor in charge of education.