Take a "power nap." Power naps are small amounts of focused sleep to help you fight fatigue and sleepiness.

I should go to bed :)

<img title="Laughing" src="http://www.italki.com/Scripts/tinymce/jscripts/tiny_mce/plugins/emotions/img/smiley-laughing.gif" alt="Laughing" border="0" /> hahaha 

I wanna click "Like" look like in the facebook.

ถ้าง่วงก็ไปนอนได้แล้ว :P