Jet lag disorder is also known as or subsumes Transmeridian dyschronism. -ed.
In today’s society air travel is a common mode of transportation. Individuals crossing several time zones can experience jet lag disorder, which is characterized by excessive daytime sleepiness, general malaise, and somatic complaints. Jet lag may be partially preventable or treatable by understanding the basics of the circadian clock and its interactions with the sleep-wake cycle. Dr. Anna Monica Fermin of SUNY Upstate Medical University in Syracuse, New York provides an update on the current understanding of jet lag disorder, including diagnostic criteria based on the ICSD-3, pathophysiology, and therapeutic approaches to prevent and minimize symptoms.