Driver's license or ID-card to get on plane Codes, passwords, address, etc. What to Wear Warm clothes are essential.
Clothing needs to fit properly, particularly gloves and boots.
The first thing most people notice is a shortness of breath, especially when exercising. In addition, the heart is likely to beat faster and one may develop nausea, fatigue, headache, or have difficulty sleeping. This usually subsides in a day or two. If they do not, a doctor should be consulted. Upon arrival in this area, take it easy for the first day or two.