Animals like stone beings defy nature's laws, need less sleep. When people recharge during sleep, while some animals are adapted to their environments function with minimal sleep. Sharks have ...

20 x 26.5 in. (50.8 x 67.3 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

From a blue whale to a pet hamster, the sleeping patterns of the animal kingdom can be just as diverse as the species themselves. While humans may be accustomed to a certain number of snoozing ...

The homeowner, who built a sleeping place for the cat, said, "She finally felt safe enough to get an uninterrupted night's ...