Step 1 Lifestyle 1. Do you have an irregular daytime and sleep rhythm (changing bedtimes, shift work, time differences/jet lag)? yes no 2. Do you sleep less than 6 hours a night? yes no 3. Do you not get regular exercise? (at least 30 minutes 3x per week, for instance through sports, physical labor or hobbies)? yes no 4. Do you regularly drink alcohol before you go to sleep? yes no 5. Do you eat “like a king” in the late evening, or do you tend to snack late (chocolate, chips)? yes no Step 1 of 5 Next