Don't take sleeping pills, as they can also slow breathing. A bedtime bath, on the other hand, makes for a safer relaxant. Adding about 10 drops of lavender oil to the water can help unwind your muscles and your mind. If that doesn't help, try an herbal sleep aid such as valerian root, California poppy, passion flower or hops. You lose more water at dry, high altitudes, particularly when you're exercising.
Dehydration alone can produce headache and nausea.
Shoot for a minimum of 10 tall glasses a day. Carry water with you on the ski slopes. This information is general commentary and not medical advice. If you have concerns or questions about a medical condition, consult a health-care professional. Linda B. White, M.D., is a freelance writer and editor.