所以在第一周，你将体验到缺乏睡眠的感觉，因为这时，你的身体正在学习如何适应缩短的睡眠周期，过了适应期，你就没事了，可能感觉比以前更棒呢。

So during the first week you experience sleep deprivation as your body learns to adapt to shorter sleep cycles, but after the adaptation you'll feel fine, maybe even better than before.

youdao

Yeah. So I spent two years in Israel studying in the place called Gush at Etsyon the Etsyon Block which is about 20 km south of Jerusalem.

对，所以说我在以色列待了两年,在Etsyon的Gush学习,在距耶路撒冷以南20公里的Etsyon地区。

普林斯顿公开课 - 人性课程节选

So I think that's really affecting my ability to study at the library.

所以我觉得这影响了我在图书馆学习的状态。

I'm frustrated 实战 - SpeakingMax英语口语达人