Increased daytime light exposure, ideally from sunlight, is associated with a decrease in the probability or severity of certain symptoms, including psychosis.

“Greater night-time light exposure was associated with increased risk for major depressive disorder, generalized anxiety disorder, PTSD, psychosis, bipolar disorder, and self-harm behavior.”

“one that greater light exposure in the day is associated with lower risk for psychiatric disorders”

“anxiety relatively the you know less impressive here and and bipolar disorder didn't seem as strong right as well”

“the exact inverse is basically true for daytime light exposure although not across the board we can generally say that for major depressive disorder generalized anxiety bipolar symptoms there it's a little more scattered”

“there's a fairly dramatic reduction in psychotic symptoms as one gets more daytime light exposure independent of nighttime light exposure”