Comment by seadan83

Surprised bright morning late not mentioned. Camping usually resets circadian rhythm in as little as 3 days. Bright sun in the morning gets a person up with the birds, no lights at night puts a person to sleep.

Artificially, similar can be done: turn on all lights when you get up. After sunset, use minimal light, with as much red hue as possible.

The other points I think hold pretty well and also are important: get exercise, avoid caffeine later in the day, etc..