And those with lower sleep efficiency, the amount of time they spent in bed asleep, were at higher risk too.

CNN: Study: Can more sleep help fight off colds?

It also stated that nearly 13% of sea-bed residue samples from fish farms were higher than the environmental standard allowed.

BBC: Scotland's fish farming faces stricter controls

"It's not as though higher gas prices have consumers hiding under the bed, " said Tim Quinlan, an economist with Wells Fargo.

WSJ: Retail Sales Increase