For instance, you could take a nap, then read for a while, then have a conversation with your friends or siblings. Share your experiences on social media. That way, you'll be able to doodle or jot down your thoughts during slower moments. You should stay calm and see if everyone is okay.
Find a comfy position. There are all sorts of options! Dim the brightness on your phone and watch a movie until you feel drowsy.
Try to keep a positive attitude about the situation. What if I travel at two in the morning? Find out how to make playdough in 5 minutes using just hair conditioner, cornflour and colouring. Start documenting your experiences on the road.