Those who start work earlier express more discomfort with the seasonal time change. This is the main conclusion of a study that the lecturers at the University of Santiago de Compostela (USC) and the University of Seville (US), Jorge Mira Pérez and José María Martín Olalla, have just published in the journal Chronobiology International, in which they analyze in detail the results of the public consultation organised by the European Commission in 2018 in the then 28 member states, which obtained 4 million responses.