The money is in the mattress
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Start-up looking for money in the mattress

"When we launched we had no idea how big the company was going to be," says Neil Parikh, co-founder of the mattress firm Casper.

"We ended up selling a $1m worth of mattresses in our first month. We expected it to take years to sell that."

Casper begin after its founders took a problem in their own life - moving unwieldy mattresses into small apartments, but it has taken off during a time when many are concerned about the quality of their sleep.

Video by Matt Danzico

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