Sleep-Wake differences in relative regional cerebral metabolic rate for glucose among patients with insomnia compared with good sleepers Kay DB, Karim HT, Soehner AM, Hasler BP, Wilckens KA, James JA, Aizenstein HJ, Price JC, Rosario BL, Kupfer DJ, Germain A, Hall MH, Franzen PL, Nofzinger EA and Buysse DJ SLEEP 2016, 39:1779-1794 The neurobiological mechanisms of insomnia may involve altered patterns of activation...