This special episode of Clear and Vivid, introducing you to our new friends at Curiosity Daily,

is brought to you by a presenting sponsor, Discovery.

For more than 30 years, Discovery's global networks have been helping hundreds of millions

of viewers understand their lives, their communities, and the world around them, from science

and nature to food and lifestyle, and now the world's biggest sporting events and greatest

names in travel and documentary films.

The Discovery family proudly informs, entertains, and powers the passions that drive our planet.

I'm Alan Older, and this is Clear and Vivid, conversations about connecting and communicating.

I'd ask you how much attention you paid to the temperature when you go to sleep.

Not a lot, I can't keep my apartment the same temperature all the time, I think.

Really, you don't make it colder when you sleep?

No, I don't.

I totally do, so that I can cover myself with blankets.

That is a very cozy feeling, for sure.

It is.

And research shows that sleeping in a cold room could help boost your metabolism and make

you burn more calories, even during the day.

Ooh.

Yeah, and it's because of fat.

So quick refresher on fat.

Or all you non-fat enthusiasts out there.

When you were a baby, you had two types of fat.

...