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Why do animals sleep in different ways?
To stay alive
When do bats sleep?
They sleep during the day.
Where do giraffes put their head while they sleep?
On their body
A dolphin sleeps with just half its brain. Why must it stay awake?
To breathe and watch for danger
For how long can dolphins and their babies stay awake?
For almost 2 months!
Ducks often sleep in a line. What do the ducks on both ends of the line do?
They help keep the group safe. They keep one eye open.
Before a seal sleeps underwater, it will______
take a deep breath and dive
Why do some fish make a bubble to sleep in?
to keep themselves in one place
Which animals can sleep while standing up?
Horses and flamingos
When a bird glides it __________
flies without flapping its wings
Which birds can sleep while they fly?
Some seabirds such as albatros
Why do some seabirds sleep while flying?
They are safer in the air than on the water
