Clinical and polysomnographic features in DQB1*0602 positive and negative narcolepsy patients: results from the modafinil clinical trial Clinical and polysomnographic features in DQB1*0602 positive and negative narcolepsy patients: results from the modafinil clinical trial Download Articles reviewed: 1. A subtype of sporadic prion disease mimicking fatal familial insomnia. 2. Prion protein conformation in a patient with sporadic fatal insomnia Controversies in sleep medicine