来自《耶鲁大学开放课程：心理学导论 第17集 第17集》

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  a distinction between real dreams versus sleep thought.
  真正的梦和睡眠思想有个区别
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  So, real dreams are you're in a submarine wrestling a chicken
  真正的梦是你在潜艇里跟一只鸡在摔跤
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  while your grandmother looks disapprovingly on. Those are real dreams.
  而你奶奶看起来很不以为然 那些都是真正的梦
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  "Sleep thought" Is the sort of thing you get typically before you fall asleep
  睡眠思想是那种 一般在你睡着之前产生
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  and it's like "Did I take the garbage out,
  就像是 "我把垃圾放在外面了吗
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  where is the garbage, did I take the garbage out?"
  垃圾在哪 我把垃圾放在外面了吗"
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  And so it's really just this kind of rumination
  真的只是这样一种沉思
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  and you could do this while you're sleeping.
  在睡觉的时候你可能会这样
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  So, if you're woken up during slow-wave sleep
  所以 如果你在慢波睡眠的时候醒来
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  you're going to be thinking "Did I take the--yes,
  你会想 "我有没有拿 是的
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  while I was dreaming I was thinking about the garbage,"
  我做梦的时候正在想着垃圾"
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  but if you're woken up during REM, "But a monkey was eating my grandmother,"
  如果在快速眼动睡眠阶段醒来 "一只猴子正在吃我奶奶"