How Animals Sleep

Animals sleep in different ways to ___________________.

• stay alive

• protect their young

• find food

• sleep longer

When do fruit bats sleep?

• during the day

• at night

• all winter

• all of the above

Ducks and dolphins can sleep __________.

• upside down

• on a beach

• on the bottom of the sea

• with one half of their brain at a time

Before a seal sleeps underwater, it will ____________.

• take a deep breath

• rub its eyes

• hide behind a rock

• look for a beach

Why do some fish make a bubble to sleep in?

• to keep themselves in one place

• to help them catch food

• to hold air for them to breathe

• to keep themselves warm

Which animals can sleep while standing up?

• bats and flamingos

• flamingos and horses

• parrotfish and seals

• ducks and horses

When a bird glides, it _______________.

• flies without flapping its wings

• dives down to the earth

• flaps its wings quickly

• takes off from a tree branch

Why do some seabirds sleep while flying?

• They don't know how to land.

• They are safer in the air than on the water.

• There is more food for them in the air.

• They don't know how to swim.

How does sleeping in a line help the ducks in the middle of the line?

• The middle ducks stay cool in the shade.

• The middle ducks don't hear as many noises.

• The ducks in the middle can sleep deeply while the ducks at either end of the line guard them.

• The middle ducks don't have to swim as much.

Which fact belongs in the section of the book "Sleeping the Most and the Least"?

• Giraffes sleep much less than brown bats do.

• A dolphin sleeps with its baby nearby.

• Seals feel safe sleeping deep in the ocean.

• Many animals sleep near their friends.