This article is from the magazine Les Dossiers de Sciences et Avenir n°220 dated January/March 2025.
Insomniacs struggle to fall asleep, wake up too early or too often... and the poor quality of their sleep affects the following day. How can we break this vicious cycle? First, by forgetting the false advertising: the solution recommended by science doesn't fit in a pill. While stress, anxiety, and depression are major risk factors, "In the absence of illness, the main sleep disorders come from light pollution and working atypical hours.", believes neurobiologist Jacques Taillard.
English 
French