Jet lag refers to symptoms arising from crossing several time zones, particularly following rapid travel.

Common symptoms of jet lag include:

• Feeling tired or exhausted
• Difficulty staying awake
• Sleeping excessively
• Disturbed sleep
• Poor concentration
• Reduced coordination
• Irritability
• Changes in appetite
• Altered bowel habit (constipation or loose stools)- may be related to change in meal times or reduced fluid intake on flights