how do you wake up if your train arrives around 4AM? I'm taking the return train in a couple of weeks. I'm a deep sleeper and on the return, I'll be riding by myself. What are my best options? Set my phone's alarm to go off at the highest volume with vibrate? Ask someone sitting close to me to wake me up? Or can I ask the conductor to wake me up?(if he/she can't, just kick my rear end off at the station?) Thanks!