"He does snore sometimes but it's more of a gentle snore and isn't persistent," Jupiter's owner, Gauri, told Newsweek.

The researchers argued that the findings show sleep doesn’t have to be in one long block to be helpful. For some animals, even small bits of sleep can add up and be useful (see graphic).

We might be capable of getting our shut-eye in all kinds of places, but nothing beats the sheer variety of sleeping habits in the broader animal kingdom. Animals can sleep on the wing, standing up ...

Sleep is an essential function of life for most creatures big and small. From a blue whale to a pet hamster, the sleeping patterns of the animal kingdom can be just as diverse as the species ...