0 10 20 50 years of age
34 WDDTY | ISSUE 01 | AUG/SEP 2019 FACEBOOK.COM/WDDTYAUNZEVERY PICTURE...Early to bed and early birds catching the worm—the adages all agree that
being a lark is healthier for us than a late-to-bed owl. But new research suggests
it’s not quite as simple as that
Who’s healthier—
the lark or the owl?
Psychological
problems94%
From dawn to dusk
Compared to the earliest risers, night owls are at increased risk for many
health conditions (right). But chronotype isn’t a life sentence—we all tend
to be larks in childhood and old age, and owls in adolescence (below). It’s
how we sleep throughout early adulthood and middle age that varies most.