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Abstract
Sleep deprivation (SD) is a powerful antidepressant treatment that shows antidepressant responses within hours in 40–60% of depressed patients. In more than 80% of responders to SD, a relapse into depression occurred after the recovery night. In addition, it serves as an excellent tool to examine the neurobiological disturbance of depression and may profoundly contribute to the development of new specific and more rapidly acting antidepressants. The reason why SD works and relapses occur is still unclear. A key to solve this problem is to include the current knowledge about the neurobiological disturbance of depression in research, with a focus on neurobiological aspects of sleep and SD (sleep EEG, neuroendocrinology, neurochemistry and chronobiology). Based on findings from these different areas, different strategies to stabilize the antidepressant effect of SD have been applied. This article provides an overview of clinical and neurobiological responses related to SD in depression.
Financial & competing interests disclosure
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript.