How Can I Tell?

Chlea and Gayle talked and talked for hours until Chlea could no longer hold her sleepiness and called it a night for their catching up session. She immediately closed her laptop and safely put it aside so that she will not sleep over it. Unbeknownst to Chlea, at around three in the morning, Vaughn finishes his paper works and crawls up to the bed beside Chlea who is soundly sleeping.