All the following statements are true, EXCEPT for...

Câu hỏi: All the following statements are true, EXCEPT for ______. 

A our night’s sleep occurs in a straight line of only two phases 

B all sleeps are similar in the alternatives of the two stages during the night 

C we spend only 25 percent of our night’s sleeping time dreaming 

D we often have no dreams right after we fall asleep