Chapter 05 of 5
Owls, Larks and Jet Lag
Morning people, night owls, and working with your own clock.
- Chronotypes
Larks and owls
People differ in when they naturally prefer to sleep. Early types are nicknamed larks; late types, owls. Most fall in between.
- Genes
Partly inherited
A 2019 study of hundreds of thousands of people found hundreds of genetic regions linked to being a morning person.
- Age
Teens run late
Body clocks shift later during the teenage years, then gradually earlier again in adulthood.
17 more cards in this chapter
Could you answer this?
What is recommended as the first treatment for long-term insomnia?
😴 The Science of Sleep
- 01Why We Sleep at AllWe spend a third of our lives asleep. Here's what it's for.
- 02Inside a NightSleep cycles, REM and the strange world of dreams.
- 03The Body's ClockThe inner timekeeper that runs your days — and the Nobel Prize that explained it.
- 0411 Days AwakeThe teenager who stayed awake for 264 hours — and what sleep loss does.
- 05Owls, Larks and Jet LagMorning people, night owls, and working with your own clock.