Investigators report the findings from a study assessing the impact of insomnia on clinical outcomes in patients with major depressive disorder.
While the relationship between current mood state and cognitive impairment is unclear, more severe depression has been linked to greater impairment.
This study highlights the importance of transdiagnostic approaches to psychiatry.
Overall, in all patients with MDD, sleep ultradian cycle number was positively associated with REMS percentage, REMS duration, and REMS/NREMS ratio and negatively associated with REM latency.
The study provides strong evidence for the utility of resting-state fMRI measures in predicting the development of attentional or mood disorders in children.
Examining the potential shared genetic liability of sleep deficits and cannabis use behaviors using multiple genomic methods.