3 sentences

1. 在这儿睡觉会着凉的。

   zài zhè​r shuì​jiào huì zháo​liáng de.

   You'll catch a cold if you sleep here.

   Source: OpenSubtitles

2. 晚上睡觉要盖好被子，免得着凉。

   wǎn​shang shuì​jiào yào gài hǎo bèi​zi, miǎn​de zháo​liáng.

   Cover yourself well with a quilt at night to avoid catching a cold.

   Source: Dong Chinese Dictionary

3. 他着凉了。

   tā zháo​liáng le.

   He caught a cold.

   Source: Tatoeba