The Biological Reason Why It’s So Hard For Teenagers To Wake Up Early For School

Sleep

 

By Paul Kelley in The Conversation.

 

In societies the world over, teenagers are blamed for staying up late, then struggling to wake up in the morning. While it’s true that plenty of teenagers (like many adults) do have bad bedtime habits, researchers have long since proven that this global problem has a biological cause.

In 2004, researchers at the University of Munich proved that teenagers actually have a different sense of time. Their study showed that the 24-hour cycle which determines when you wake and sleep gets later during your teens, reaching its latest point by the age of 20.

After 20, the body’s waking and sleeping times gradually get earlier again, until at 55 you naturally wake about the same time as you did when you were 10. The link between the movements of this biological clock and the process of puberty was so strong that the researchers suggested this “peak lateness” at the end of the teenage years could be the biological marker for the end of puberty.

 

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