But apparently he was a very nice dog and he always let the cat sleep in the dog bed.
但它却是只非常好的狗，它总是把它的床让给那只猫。
The cat curled into a ball and went to sleep.
那只猫蜷缩成一团睡着了。
This is problematic for people who don't sleep alone, or even if you just have a cat who likes to jump on and off the bed during the night (and early morning).
所以对于不是自己睡的人而言，这样的测量方法就会出现诸多问题，如果您恰好有只喜欢在晚上(或清早)不断在床边跳上跳下的猫……那就更不准了。
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