Some animals appear lazy at first glance, spending large portions of the day asleep or resting. In reality, frequent naps ...

Add Yahoo as a preferred source to see more of our stories on Google. For years, scientists could only guess when wild animals were asleep. Now, miniaturized versions of sleep lab equipment are ...

Everyone needs a good night’s rest, or at least a decent power nap on occasion. These 10 animals have taken those concepts to ...

Most animals don’t keep the same schedule we do. While we try to squeeze in eight hours and call it a good night, many animals snooze through more than half the day—and some barely stay awake at all.

For years, scientists could only guess when wild animals were asleep. Now, miniaturized versions of sleep lab equipment are revealing the extreme and somewhat quirky ways animals snooze while flying, ...