Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask, why do we dream?
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BELL RINGS MAN CLEARS THROAT
Agh! I must be dreaming, you're actually here early.
Sir, yes, sir. All present and accounted for.
Eh? Erm, not quite.
HE SINGS IN OPERATIC VOICE
Colin! Colin, Colin!
Hey, Colin, Colin, Colin! Wake up!
-Wake up, we're on in five.
-Oh, crumpets. Must have fallen asleep.
This is Brain Freeze.
With Dr Knowles...
..and Colin the floor manager.
-Hi, folks, and welcome to Brain Freeze.
-It's time to reveal...
-Today's Big Question!
-Today we're asking, why do we dream?
Do you know something? I don't think I've ever had a dream myself.
That's impossible, Professor. Everybody dreams every night.
For about two hours,
which adds up to about six years of our lives spent dreaming.
And how do you know that?
By studying people's brainwaves while they sleep.
There are five stages of sleep.
This is stage one, when you're dropping off.
Then as you move into stages two, three and stage four...
the waves get bigger and slower.
-But what's this?
-Agh! My body's asleep but my brain is awake.
What's going on?
Ah, he's entered the stage known as REM sleep, or rapid eye movement.
We know that most dreams occur during this stage. Unless you wake up
during or soon after REM, you're unlikely to remember any dreams.
Agh! Killer ducky! Cut to commercial, cut to commercial!
# La-la, la-la, la-la, la-la!
# La-la, la-la, la-la, la-la! #
Oh, maybe don't give up the day job just yet, Colin.
-You... You don't like my singing?
-No, it's not that, Colin.
You should try breathing more from the diaphragm, you know?
Not the lungs. And then expel the air, like this.
SHE BELTS OUT POWERFUL NOTE
Wow! Great pipes, Doctor.
We're live in five, four, three, two, one.
This just in from Jasmine, who wonders if dreaming has a use.
Oh, oh, I know the answer to this one.
Some scientists say that dreams help us to organise our memories,
while others think they enhance our creativity.
But others reckon it's just our brain making a story out of random
-So basically, we haven't a clue.
Well, the truth is, science still hasn't solved
the mystery of why we dream, but here are some things we do know.
Babies spend more than twice as long in REM sleep as adults,
which suggests that dreaming plays a role in brain development.
The same is true of kittens and puppies.
So you mean animals dream too?
Well, some mammals have REM but what exactly they're dreaming about,
we'll probably never know.
Today's Big Answer!
We really haven't the foggiest about dreaming, do we?
Other than that it's got something to do with brain development...
-So that's it for today.
-See you next time. Sweet dreams, folks.
And we're clear!
Ahem. # La-la, la-la, la-la, la-la, la-la! #
Oh, I know. I'm just a dreamer with no talent.
-You do too.
Well, you're the best floor manager ever.
And who says dreams can't come true? Eh?
Doctor Knowles and Professor McCork open the studio doors for an explosive episode of the show that tries to get to the bottom of some of life's most massive science questions.
Knowles and McCork ask, why do we dream? Backstage, floor manager Colin has his own dream of becoming a professional opera singer. But can it come true?