3 sentences

1. 他从梦魇中惊醒，浑身大汗。

   tā cóng mèng​yǎn zhōng jīng​xǐng, hún​shēn dà​hàn.

   He woke up from a nightmare, drenched in sweat.

   Source: Dong Chinese Dictionary

2. 他被一阵急促的敲门声惊醒了。

   tā bèi yī zhèn jí​cù de qiāo​mén​shēng jīng​xǐng le.

   He was startled awake by a sharp knocking at the door.

   Source: Dong Chinese Dictionary

3. 我睡觉一向很惊醒，稍微有点动静就会醒。

   wǒ shuì​jiào yī​xiàng hěn jīng​xǐng, shāo​wēi yǒu​diǎn dòng​jìng jiù huì xǐng.

   I'm a very light sleeper; I wake up at the slightest noise.

   Source: Dong Chinese Dictionary