The nice food, conversation, and company sometimes make us forget about time to go home when we visit our friends and relatives. Usually, we catch ourselves into a moment of deciding whether to go home or stay the night.Driving home late at night, drunk, and tired already are major issues to consider.But the question is where we gonna sleep? Does the host have spare bedroom? How about if there's none? Oftentimes, the host will offer a spare bed in the living room which is a sofa bed.What if you ...