34 Animals That Sleep in the Weirdest Ways

2. Giraffes

Giraffes are the insomniacs of the savanna, clocking in less than two hours of sleep each day. Most often, they sleep standing up, allowing for a quick escape if predators approach.
On rare occasions, giraffes will fold their long legs beneath them and curl their necks around their bodies to enter a deeper sleep—though only for a few fleeting minutes. This cautious behavior is crucial for survival in the wild. Source