To finish the story- we get to a taxi by 3 am and off we go to the bus station . We got a little tour of NYC and went through time square which was crazy busy for 3:30am . We get our tickets and wait until 5 am to take the bus home . Finally we got home at 3:30pm .
Question: Why is the narrator so tired when they got home ?
The answer to the above question:


They were on a   bus for awhile .