Beside the fact that alcohol can dehydrate you, drinking too much in flight can have other consequences. No one wants to sit next to the person who passes out snoring or is just plain obnoxious. That’s not to say you shouldn’t enjoy a glass of wine with your meal or a light cocktail or two. It does mean you should not over indulge. It’s also a good idea to keep yourself as hydrated as possible during the flight. If you do indulge in a few glasses of wine or cocktails, you should drink the equivalent in water, so you keep hydrated. Drinking too much runs the risk of getting yourself into trouble as well. I’m sure everyone has seen a news story at one time or another about a troublemaker who was kicked off a flight, or worse, arrested for disorderly conduct, who also drank too much!