We may learn differently during different sleep stages, says German sleep expert Professor Jan Born from the University of Lübeck.

我们可能在不同睡眠阶段学习的不一样，吕贝克大学的德国睡眠专家教授简·伯恩说。

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We may learn differently during different sleep stages, says German sleep expert Professor Jan Born from the University of Lübeck.

我们可能在不同睡眠阶段学习的不一样，吕贝克大学的德国睡眠专家教授简·伯恩说。

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