Why do we wake up when we hear our names?

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Hi,

I just fell asleep in class with the camera off and when the professor called my name to make sure my group was ready to present I immediately woke up to say that I was in the lecture and almost had a heart attack because missing this specific lecture is an automatic fail. I wanted to ask anyone as to why we wake up if someone calls our name even when we’ve been asleep for 10+ minutes, but don’t wake up when hearing other people’s names or the lecture content.

In: Biology

25 Answers

Anonymous 0 Comments

I’m not a doctor but I believe it’s due to the Reticular Activating System (RAS). Its a bundle of nerves in your brain that is responsible for filtering information. A typical example of its function is hearing someone say your name in a noisy crowd. I believe it’s also like a watchdog when you sleep so you dont sleep through someone breaking into your house.

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