Jet lag is a common condition experienced by travelers who fly across several time zones and disrupt their body's natural circadian rhythm. To describe this condition, there are several synonyms that can be used, such as time zone fatigue, travel fatigue, flight lag, and time difference syndrome. Other terms used to describe the symptoms of jet lag include sleep disorder, fatigue, disorientation, and fatigue lag. No matter what term is used, jet lag can cause a range of symptoms, including exhaustion, insomnia, headaches, irritability, and difficulty concentrating. To prevent or alleviate these symptoms, it is recommended to adjust sleep patterns before traveling, stay hydrated, and avoid large meals and alcohol during flights.