Bhutan is a Himalayan country. So altitude sickness is common and many travelers are affected. When you feel fatigued, edema, dehydrated, insomnia, shortness of breath and dizziness while traveling to Bhutan be sure that you are affected by altitude sickness. To prevent yourself from altitude sickness, make sure to stay hydrated, plan for the rest days, limit the intake of alcohol and prepare yourself with short hiking and exercises before the tour.