Our teens are busy. They’re exploring their place in the world, they’re experimenting with their independence and influence, and they’re starting to discover the types of adults they want to become. And school. There’s that too.
Even if they’re fully charged from a full nine hours of sleep, this is a taxing load. Most of our teens though, are doing adolescence tired – and it’s not their fault. Between their changing biology and the social expectations of adolescence, our teens are in a high-powered conflict between needing to fall asleep later when their bodies tell them, and needing to wake earlier to do, well, life.
Why are our teens tired?
It’s widely accepted that teens need nine hours of sleep each night, but two-thirds of high school students are getting less than seven hours. A two hours difference between actual and ideal might not seem like much, but countless studies have found that falling short of nine hours sleep has significant consequences for our teens, affecting them physically, emotionally, socially and academically.
Here’s the problem. During adolescence, the biological need to sleep becomes disrupted. According to decades of study by Mary Carskadon, Professor of Psychiatry and Human Behaviour at Wareen Alpert Medical School of Brown University, their biology is dictating a later sleep time, but early start times mean they are falling short of the nine hours.
Melatonin, the sleep hormone that brings on feelings of sleepiness, is produced later in teens than in younger children. This means that teens won’t even start to feel sleepy until about two hours later than younger children or adults. This wouldn’t be a problem at all except for one thing – school. Late nights and early starts mean teens aren’t able to complete the full nine hours of sleep they need to thrive.