A Business Insider reporter spent 128 hours in Amtrak sleeper cars and learned things about overnight train travel she regrets not knowing beforehand. Joey Hadden/Business Insider I regret not knowing a few things ahead of my overnight Amtrak rides in 2021, 2025, and 2026. I spent 128 hours on Amtrak sleeper trains and noticed that time seemed to pass slowly on the rails. I wish I knew what a difference 25 square feet makes, among other lessons I learned the hard way. There were so many things