Jul 27, 2024, 09:52 PM IST
Elephants often sleep standing up, especially during short naps. They lie down for deep sleep but not for long periods due to their large size.
Cows can doze off while standing, though they typically lie down for longer, deeper sleep.
Giraffes take short naps while standing to avoid being vulnerable to predators, but they do lie down for deeper sleep.
Horses have a unique locking mechanism in their legs called the "stay apparatus" that allows them to sleep while standing.
Flamingos sleep standing on one leg, balancing perfectly, which helps them conserve body heat.
Zebras often sleep standing up to stay alert to predators, using their herd for safety.
Bison can sleep while standing, using their strong legs to lock into place.
Donkeys, like horses, have a stay apparatus that allows them to sleep standing up.