Why do university students arrive at home at two o clock in the morning?
because they goof around!
If you drive from Illinois to Indiana will you have to set your clock forward an hour or backward an hour when you arrive?
Red eye flights are most often flights that take off late in the evening and arrive at an early morning hour. They usually are at a lower cost, but you rarely get any sleep on them. They are difficult on some people who suffer from Jet Lag and sometimes it takes a long time to adjust your mental clock.