When we lose sleep during the week, we accumulate a kind of sleep “debt.” Think you can pay that debt back by sleeping in on Saturday and/or Sunday? Not so fast. This might actually make you sleepier ...

词汇：sleep 睡眠 1 We've all heard advice about good sleep hygiene. No phones or caffeine before bed, and make sure that we get a good eight hours' rest. But is this the best sleep pattern, or have we just ...

本期节目要回答来自杨盼盼的问题。她想要知道搭配 “sleep in、sleep over” 和 “turn in” 之间的区别。它们都属于动词短语 “phrasal verbs”，而且都可以被用在谈论 “睡觉、睡眠” 的语境中。但它们有哪些不同之处呢？这期节目将介绍这三个搭配的意思、区别和 ...