| RELATED NEWS | |
 |
Fearing the spread of coronavirus, China bans the sale of wild animals nationwide |
|
Boundless friendship in the animal world that melts every heart |
 |
| A polar bear sleeps on a thick layer of ice. Like humans, polar bears usually sleep 7 to 8 hours a day. |
 |
| A pride of lions sleep on a large broken tree trunk. Male lions spend 18 to 20 hours a day sleeping, while female lions spend 15 to 18 hours. |
 |
| A newborn bulldog puppy sleeps soundly on a mattress. Like human babies, puppies spend a lot of time sleeping. |
 |
| A seal sleeping soundly underwater. When seals sleep, they maintain a “bottle” position, with their entire body submerged in the water while their head remains above water. Only half of their brain sleeps, while the other half is always alert for danger. |
 |
| Otters clasp their limbs together before sleeping to maintain balance. |
 |
| A screech owl sleeps in a tree hole in Kersberga, Sweden. Owls sleep during the day to conserve energy and hunt at night. |
 |
| Leopards have a habit of sleeping in trees to avoid being attacked by other animals. |
 |
| Gorillas sleep in the bushes. This species of monkey has the habit of sleeping 12 hours a day. |
 |
| The wild cat slept perched on a tree branch. |
 |
| The owl “sleeps soundly” in the white snow. |
 |
| Two black bears hug each other and sleep on a tree. Black bears have the habit of sleeping continuously for 7 months in winter to avoid the cold, during which time they stop eating and drinking and use the energy they have stored to sleep. Their metabolism also slows down during this time. |
 |
| A pair of lions sleep soundly in the warm, sunny weather at the Lisbon Zoo in Portugal. Lions are nocturnal and sleep during the day. |
