Horses can get a lot of sleep while standing up, but they lie down when they require REM sleep. Typically, the amount of REM sleep they require is very small, so they don’t need to lie down often. However, many horses lie down just because they feel comfortable or want to do so....
a她讲英语很慢,以便于我们可以听懂 She speaks English to be very slow, is advantageous for we to be possible to understand [translate] afala ai portugues 我了解nds [translate] aHow and why do horses sleep standing up? 和为什么马怎么睡觉站起来? [translate] ...
Secondly, humans need 90 minutes of deep REM sleep a night while horses only need 30 minutes. However, you can catch some horses napping for up to 6 hours a day if they feel safe. Horses don’t need as much shut-eye as we do. Horses rest in short intervals spread out throughout a...
Cows often sleep like this.However, there are exceptions (例外). Small animals such as mice sometimes sit down to take a short nap. Some large animals such as horses, zebras and giraffes sleep standing up. This way, 10. they can quickly escape if they are in danger.8.9.10. 相关知识...
horses often sleep standing up, their legs walk in place so they don't fall over, if a horse is lying down, it needs a long time to get up.A horse can run from danger more quickly if it is already standing, 有些鱼自己做睡袋。他们制造一个大...
Why do horses sleep standing up? A. They can run away quickly if danger comes. B. They can have a good rest. C. They want to find more nice food. D. They want to keep clean.( )35.What does the passage mainly talk about? A. Animals' favourite food. B. Animals' sleeping ways....
Sloths sleep upside down in tree. Do you sleep standing up? Some animals do. Giraffes and horses can sleep standing up. Do you sleep with your eyes open? Fish and snakes keep their eyes open all the time. You can’t tell if they are sleeping. ...
(4)题详解: 根据“Some large animals such as horses, zebras and giraffes sleep standing up.”可知一些大型动物,如马、斑马和长颈鹿,站着睡觉。故填standing up。 (5)题详解: 根据“Albatrosses (信天翁) are large seabirds. They can sleep while flying”可知信天翁可以在飞行时睡觉。故填flying。反馈...
Some ducks sleep with just half their brains.These ducks often sleep in a line.The ducks at both ends help keep the group safe.They keep one eye open to watch for danger.The ducks in the middle can sleep deeply with both eyes closed. Sleeping Standing Up Horses often sleep standing up....
Some large animals such as horses, zebras and giraffes sleep standing up. This way, they can immediately run away if they are in danger.Did you know? Albatrosses are large seabirds. They can sleep while flying. They can even do that while flying at a speed (速度) of about 40 km an ...