If I could give this 0 stars I would. I have gone to every sleep center in the Des Moines area and NO ONE can help me or knows what to do. I payed $50 to see a doctor that spent 15 minutes with me, and his only suggestion was to buy a lamp "because maybe if you see light you won't want to sleep". Google has helped me more than any of these doctors. Absolutely terrible. Never going back there or seeing that doctor for ANYTHING. read more