http://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(17)30328-0/fulltext?elsca1=tlpr
In the largest randomized control trial for mental health, researchers discovered a link from insomnia to paranoia and hallucinations. Successful treatment of insomnia cut paranoia and hallucinations by around half. While the researchers don't extend similar links as existing outside the studied population, the correlation is quite clear and strong that treatment of insomnia could lead to improvements in other mental health symptoms in other populations.
(Score: 0) by Anonymous Coward on Saturday September 09 2017, @03:38PM
According to the paper, it comes from the Wellcome Trust, which is a private charity that provides money for medical studies, among other things. And as much as people make fun of studies like this, the fact is that a lot of insurance won't cover dead-obvious-can't-believe-people-actually-had-to-study-this, treatments because there is no "proof" of effectiveness.