Ribeiro Neiva, GiovanaMeira e Cruz, MiguelSalles, Cristina2021-01-222021-01-222021Headache. 2021 Jan 20.1526-4610http://hdl.handle.net/10451/45904Copyright © 2020 American Headache SocietyWe eagerly read the article entitled “Later high school start time is associated with lower migraine frequency in adolescents” by Gelfand and colleagues. This interesting paper addresses an essential and recurring theme with clinically impactful results on the association of late start times in high schools with the frequency of headaches in adolescents with migraine. However, some relevant considerations should be made to complement the results and subsequent discussion.engjournal article10.1111/head.140601526-4610