UNION BRIDGE, Md. (AP) — Fun bovine fact: Cows do not sleep in long, contiguous segments as do people and some other animals.

"Cows sleep 10 to 15 minutes at a time," said dairy farmer Katie Dotterer-Pyle.

Also, "Cow tipping is actually a myth. They don't sleep standing up. Horses do that, so you can go horse tipping," she said.

Nevertheless, Dotterer-Pyle said, cows do take issue with schedule changes, like the "springing forward" of the clocks this Sunday with the return of daylight savings time.

She and her husband David Pyle milk a herd of 350 cows at their Cow Comfort Inn Dairy, in Union...