The Development of Hypocretin Deficiency in Narcolepsy Type 1 Can Be Swift and Closely Linked to Symptom Onset: Clues From a Singular Case
Mink Sebastian Schinkelshoek, Gert Jan Lammers, and Rolf Fronczek

Sleep and Cognitive Ageing in the 8th Decade of Life
Simon R Cox, Stuart J Ritchie, Mike Allerhand, Saskia P Hagenaars, Ratko Radakovic, David P Breen, Gail Davies, Renata L Riha, Sarah E Harris, John M Starr, and Ian J Deary

Benzodiazepine and Opioid Co-Usage in the US Population, 1999–2014: An Exploratory Analysis
Nicholas T Vozoris