Edit - let me share a small story with you. It is from the times when I was on EAD (about 4,5 years ago). I was returning from India to Chicago. Immigration office told me there will an additional check so they asked me to follow another officer. The area had lot of chairs and TVs. While, I was waiting for my return of my passport, I saw another guy sleeping on 5,6 chairs. A TSA officer came and telling him while shaking his body to try to wake him up - "hey! wake up. You can go home" :-)
P.S - english is my 2nd language so please pardon my grammar.