The state in which a person's circadian rhythm is inconsistent with the local environmental cues.
What causes desynchrony?
Traveling too rapidly to permit immediate adjustment to the new environmental cues, usually by crossing four or more time zones.
What is the most common cause of airsickness during pilot training?
Lack of adaptation.
What is the desired timeframe for treating combat stress?
24 to 72 hours.
What is usually the first emotional response to a combat or survival situation?
Disbelief or emotional numbing.