Can solitude be good for your mental health?

In Switzerland, the lʹOFS estimated in 2017 that 38% of the population aged 15 or over felt lonely. This is a real societal phenomenon that can have consequences for mental health. If it can be suffered, it can also be sought. But is the quest for solitude easy? How can we better live with solitude when it is undergone? What are the tools we can use to manage it better?