Jet lag is a normal result of flying across time zones, which disrupts the body clock. Its effects are minor but not desirable, including fatigue, reduced concentration, irritability and digestive problems.
Although some people say jet lag can be reduced by taking planned naps to adapt to the time zone, doctors do not agree about the best treatment. You should drink plenty of water and avoid alcohol during the flight, and if you are away for only a few days, you could try eating and sleeping according to 'home time'.
