Are you aware that certain animals are capable of sleeping while standing? They adopt this behavior to evade predators..Let's find out which animals they are..Cow- The cow naps while standing and lies down for a deep sleep..Horses- Horses sleep with their joints locked, preventing them from falling..Elephants- Occasionally, they nap while standing and lie down for extended periods for deep sleep..Giraffes- Giraffes can sleep while standing for brief periods, but lying down exposes them to predators..Flamingo- Flamingos can sleep while standing by locking their joints..Zebras- To evade predators, zebras sleep while standing in groups..Feel Patriotism with These Songs on Republic Day 2025