I always fall asleep when going somewhere. Doesn't matter if it's by car, train, boat or whatever. Unless it's dark outside, I just can't keep my eyes open I used to connect it to the shaking - that a bumpy road would kinda rock me to sleep. I just recently figured out that it's probably more about the huge amount of visual information that I get in a very short time from looking out the window of a moving vehicle. Just curious if anyone else does the same thing?