Which statement summarizes “Sleeping in Space”?

A.
There are some things people on Earth and astronauts in space do differently when going to sleep because sleeping can be challenging in both places.

B.
There are similarities and differences between sleeping on Earth and in space, such as going to bed at certain times and possibly experiencing motion sickness.

C.
People sleeping on Earth and astronauts sleeping in space have many things in common, such as getting a good night’s sleep after work and sometimes sleeping in cabins.