Write a multi-choice question for the following article: Article: It turns out that nodding off in class may not be such a bad idea after all, as a new study has shown that going to sleep shortly after learning new material is the best way to remember it. According to US lead author Jessica Payne, a psychologist at the University of Notre Dame in Indiana, nodding off after learning something new is like "telling" the sleeping brain what to remember. Along with colleagues, she studied 207 students who habitually slept for at least six hours per night.Participants were casually selected to study declarative , semantically related or unrelated word pairs at 9am or 9pm, and returned for testing 30 minutes, 12 hours or 24 ours later. Declarative memory refers to the ability to remember facts and events with awareness, and can be broken down into episodic memory (memory for events) and semantic memory (memory for facts about the world).People routinely use both types of memory every day--recalling where we parked today or learning how a colleague prefers to be addressed. At the 12-hour retest, memory overall was better following a night of sleep compared to a day of wakefulness. At the 24-hour retest, with all subjects having received both a full night of sleep and a full day of wakefulness, subjects' memories were better when sleep occurred shortly after learning, rather than following a full day of wakefulness. "Our study confirms that sleeping directly after learning something new is beneficial for memory.What's new about this study is that we tried to shine light on sleep's influence on both types of declarative memory by studying semantically unrelated and related word pairs," Payne said. "Since we found that sleeping soon after learning benefited both types of memory, this means that it would be a good thing to practise any information you need to remember just before going to bed.In some sense, you may be 'telling' the sleeping brain what to remember."
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Question: The research led by Jessica Payre tries to _ .Options:A encourage students to nod off in classB explain the influence of sleep on memoryC show students ways to improve memoryD introduce students two types of memoryAnswer:B