Kyle and Yoko Spent the Same Amount of Time Studying

Multiple Choice

Kyle and Yoko spent the same amount of time studying for a big exam. Kyle slept between studying and taking the exam, whereas Yoko did not. All other things being equal, which of the following is most likely to be true?

A) Kyle has an advantage, because sleeping after learning is believed to strengthen the memories.
B) Yoko has an advantage, because sleeping after learning leads to an increased risk of forgetting.
C) Neither has an advantage, as long as they both got a decent night of sleep at some point.
D) Neither has an advantage, because sleep is only related to memory for motor and perceptual skills.