“…Prior work has been unable to demonstrate a relationship between sleep discrepancies and PTSD status (Kobayashi, Huntley, Lavela, & Mellman, 2012), which is thought to reflect sleep misperceptions in PTSD (Dagan et al, 1997; Klein, Koren, Arnon, & Lavie, 2003; Kobayashi et al, 2012). Indeed, “paradoxical insomnia”-a relatively new diagnosis that first appeared in the International Classification of Sleep Disorders - 3rd Edition (ICSD-3; American Academy of Sleep Medicine, 2014)- is characterized by quantifiable discrepancies between objective and subjective sleep measurements.…”