The study discussed in the reading passage suggests that ______. A. the fewer hours we sleep, the more we dream B. deep sleep means better sleep C. the type of sleep is more important tha
The study discussed in the reading passage suggests that ______.
A. the fewer hours we sleep, the more we dream
B. deep sleep means better sleep
C. the type of sleep is more important than its length
D. six hours of sleep is better than eight hours