Before you leave for the airport Ensure that you have your passports (and any necessary visas), tickets and money in your hand luggage. If packing medicines, ensure that they are in their original packaging as this will avoid delays or prevent them from being taken away at customs. Do not wrap presents as they may have to be unwrapped by security staff or customs. The Department of Health has devoted a section of their site to health advice for traveling abroad. Getting to the airport Always allow plenty of time to reach the airport. You should arrive there 2 hours before the take-off for international flights and one hour before the take-off for domestic flights. If you are driving to the airport, ensure that you have booked airport parking in advance. If you are being driven by a friend who wants to see you off, ensure that he / she knows where the short stay parking is located. If taking a taxi, ensure that the firm you intend to use has taxis available at the time you wish to travel. At the airport Be aware that increased security has considerably lengthened the time it takes to go through check in and security. Make sure you keep your baggage with you at all times and alert any member of airport staff to any unattended package. Never look after baggage belonging to other people or carry anything onto the aircraft for someone else. Keep a close eye on the display boards announcing which gate flights depart from. In the air If on a long flight, move your feet around, or get up and walk around regularly if you can. Avoid dehydration   by drinking plenty of water or other non-alcoholic drinks. Don't eat too heavily before or during a long flight as this will help to avoid indigestion and hypertension  . To reduce jet lag  , have some extra sleep before the trip, get some sleep during the flight and try to make mealtimes the same as the time of meals at your destination. During the flight you should follow the following advice EXCEPT   _  .
always to sit on a long flight to drink enough water to avoid dehydration not to eat too much so as to avoid indigestion and hypertension to make mealtimes the same as the time of meals at your destination