I've always been a light sleeper.

我睡觉总是容易醒。

《牛津词典》

It has its challenges (one kid is a light sleeper).

这是它们的挑战(其中一个小家伙有点失眠)。

youdao

I'm a light sleeper - the slightest noise wakes me.

我是个浅眠的人—最细微的噪音都可以把我叫醒。

youdao

Each sleeper also has a colored light bulb in their room.

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