The researchers observed individuals in a controlled environment during brief periods of sleep.

研究人员观察了在受控环境中处于短暂睡眠的实验个体。

Short periods of sleep may help our brains work better, or so says a recent study on napping.

最近，一项有关睡眠的调查表明，短暂睡眠有助于大脑运转。

This is called REM rebound, and during these intense periods of sleep, people tend to have especially vivid dreams.

这被称为快速眼动反射，在这些紧张的睡眠期，人们往往有特别生动的梦。

Try not to take long naps during the day. Periods of sleep during the daytime can interfere with sleep at night.

白天不要小睡太久，白天睡觉太久会影响晚上的睡眠。

That's why we call a short period of sleep – preferably in a warm spot of the room – a cat nap.

所以我们将短时间的睡眠（最好是在一间温暖的房间里）称之为“a cat nap（小憩）”。

That sounds like a siesta to me - a short period of sleep in the middle of the day that people in warm places like Spain often have.

这才叫午睡嘛！气候温暖的国家，比如西班牙，都有午睡。

So if I sleep better, whether that's consistent sleep, or a longer period of sleep, just doing that will help me to feel less stressed during the day.

凡妮莎：所以如果我睡得更好，无论是持续睡眠还是更长的睡眠时间，只要这样做就会帮助我减轻白天的压力。