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B1 Intermediário Inglês 5:37 Educational

What staying up all night does to your brain - Anna Rothschild

TED-Ed · 6,596,147 visualizações · Adicionado há 2 semanas

Estatísticas de aprendizado

B1

Nível CEFR

5/10

Dificuldade

Legendas (83 segmentos)

00:07

You’re just one Roman Empire history final away

00:11

from a relaxing spring break.

00:15

But you still have so much to study!

00:17

So you decide to follow in the footsteps of many students before you

00:21

and pull an all-nighter.

00:27

When you stay up all night,

00:29

you're fighting against your body's natural circadian rhythms.

00:34

These are the cyclical changes that virtually all living things experience

00:38

over the course of a 24-hour period— such as sleeping and waking—

00:43

and they’re heavily influenced by light.

00:46

But for the moment, you're alert and powering through

00:50

the rule of Julius Caesar.

00:53

As the sun sets, your eyes send signals about the dwindling light

00:58

to a part of your brain called suprachiasmatic nucleus.

01:03

This is basically your circadian rhythm’s clock.

01:07

It alerts your pineal gland to start producing melatonin.

01:11

That’s the hormone that helps prepare your body for sleep,

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