when do they sleep?

Twitter is awesome because you know exactly when your friends are eating bacon, or going for an epic run, or becoming the mayor of their local Mobil station. But how in the world are you supposed to know when your Twitter friends are sleeping??

Thankfully, someone has created a tool for this purpose. When Do They Sleep analyzes your friend's tweets and predicts the time they're most likely sleeping - garnered from their history of Twitter silence.

For me, it was right on accurate. From LaughingSquid.