Circadian dimensions in insomnia disorder: mechanistic evidence, candidate phenotypes, and a phenotype-stratified research framework
A candidate circadian phenotyping framework for insomnia disorder is proposed and combines sleep diaries, actigraphy, light exposure assessment, dim-light melatonin onset (DLMO), and core body temperature rhythms to distinguish circadian rhythm sleep-wake disorder (CRSWD)-dominant insomnia complaints, insomnia disorder...