“…The instrument corresponds, in part, to the diagnostic criteria of insomnia in DSM‐IV (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition) (American Psychiatric Association, ), correlates with both polysomnography and sleep diary (Bastien et al., ), and is sensitive to treatment response (Morin et al., ). ISI has been translated to several languages, including Spanish (Fernandez‐Mendoza et al., ), Hindi (Lahan and Gupta, ) and Chinese (Yu, ) (Yu, ). In addition, a web‐based version of instrument has been validated (Thorndike et al., ).…”