Reactivating a relaxation exercise during sleep to influence cortical hyperarousal in people with frequent nightmares - a randomized crossover trial
Clara Sayk, A. Probst, F. Lange, Svenja Eickemeier, Judith Amores, Hong-Viet Victor Ngo, M. Ehsanifard, K. Junghanns, I. Wilhelm
This study tests if relaxation-associated odor cues during sleep reduce cortical hyperarousal and nightmares in frequent nightmare sufferers, finding reduced spindle activity but no effect on beta/gamma activity or nightmares.
bioRxiv · Mar 11, 2025 · PreprintNeuroscience