Olivia Has Trouble Staying Asleep for More Than 4 Hours

Multiple Choice

Olivia has trouble staying asleep for more than 4 hours at a time. Olivia is likely to experience

A) more vivid dreams than people who sleep for a full 8 hours.
B) less REM sleep than people who sleep for a full 8 hours.
C) less deep sleep than people who sleep for a full 8 hours.
D) more sleep spindles than people who sleep for a full 8 hours.