Momondo have some good advice for a long haul flight:
- Try to get an upgrade!
- Book smart, get a good seat
- Dress well
- Drink water enhanced with Uppy! Electrolyte Hydration Tablets
- Eat well
- Be entertained
- Get out of your seat; walk around a bit, stretch
- Pack wisely
- Plan the flight
- Be normal
read more; open the link!
http://www.momondo.co.uk/inspiration/tips-for-long-haul-flights/