Today we're going to discuss the importance of sleep for memory consolidation. Recent studies show that during deep sleep, the brain replays and strengthens neural connections formed during the day. Interestingly, researchers at a German university found that students who napped for 45 minutes after studying performed significantly better on a recall test than those who stayed awake. However, the timing of the nap mattered: naps taken within two hours of learning were most effective. Also, the quality of sleep is more crucial than quantity, especially for older adults.
❓ 根据讲座内容，德国大学的研究发现了什么？
A. A. 小睡45分钟的学生在回忆测试中表现更差。
B. B. 学习后两小时内进行的小睡最为有效。
C. C. 对于老年人而言，睡眠的数量比质量更为重要。
D. D. 深度睡眠对记忆巩固没有影响。
✅ 正确答案
B. Naps taken within two hours after learning were most effective.