Disrupted sleep is a common complaint in people with post-traumatic stress disorder (PTSD). Those seeking treatment for PTSD are often trapped in the vicious cycle of poor sleep, which interferes with the effectiveness of the treatment. Researchers have discovered a link between morning blue light exposure and the quality of sleep in people with PTSD. The participants included in the study were exposed to blue-wavelength light or amber light daily, for 30 minutes, for six weeks.
Participants receiving blue light therapy demonstrated significant improvements in the sleep quality and severity of their PTSD symptoms, as well as higher retention of fear extinction memories. Blue light exposure resulted in a higher retention of extinction learning in PTSD patients compared to amber light therapy. The research is novel and exciting as it offers a drug-free, easy-to-use method for helping…