These he needs fairly often to control his muscular spasms – you will need to give him one mid-morning, and again at mid-afternoon.

他经常需要这些来控制他的肌肉痉挛——你需要在上午给他一次，然后在下午三点再给他一次。

How do you explain this? Psychologists now believe that these dreams do not have any great emotional significance, but are merely due to muscular spasms which take place on the threshold between consciousness and sleep.

那这个怎么解释？ 心理学家目前认为，这些梦不会对精神造成什么影响，只是单纯由肌肉痉挛而产生的。