How common is difficulty sleeping in jet lag?

Jet lag happens when travel across time zones leaves your internal sleep-wake rhythm out of step with the local day and night. You may feel sleepy at an inconvenient time, be alert when you want to sleep, or wake at an unfamiliar hour. Daytime tiredness, reduced concentration, stomach upset, and a general feeling of being out of rhythm can occur while the body adjusts. Poor sleep after a journey can also have other contributors, including anxiety, alcohol, illness, or an uncomfortable travel environment.

Once you arrive, use local meal and sleep times as your main routine. Daylight exposure during the local day and gentle activity can help signal when it is time to be awake. Keep naps brief if they stop you sleeping at night, drink water regularly, and avoid relying on alcohol to induce sleep because it can fragment rest. Give yourself a lighter schedule when possible until alertness improves, particularly before driving or making safety-sensitive decisions.

Arrange medical advice if sleep disruption continues beyond the period you would expect after travel, repeatedly affects your ability to function, or occurs without a recent time-zone change. Seek urgent care for chest pain, severe breathlessness, fainting, confusion, or thoughts of self-harm. These symptoms need assessment and should not be attributed to travel without a clinician considering other causes.

Explain your travel route, arrival date, usual sleep schedule, current local sleep times, and any medicines or supplements you have taken. Ask whether another sleep, mood, breathing, or medical issue could be contributing, especially if symptoms are not settling after you resume your normal routine.