On Sleep
Get enough of it.
Especially on the night before an adventure.
If you don't, you will be having an adventure in crankyland or in snoozeland, and you cannot appreciate the beauty around you.
I had only had three hours of sleep and the long journey to Carnaza Island had drained what little was left of my energy. Half my time in the island was spent snoozing, missing out on the beautiful sunny weather, the beach, and the company of friends.
For more lessons from the road, please visit Go Learn.