About the author: As well as being one of the founders of LowBlueLights.com, Dr. Richard Hansler PhD is a prolific author who first published Great Sleep! Reduced Cancer! in 2008 at the age of 83! A wonderful exposé on Dr. Hansler’s life as he continues to go strong at the age of 93 can be found here. ( See 2nd half of the article.)
Bipolar Disorder(s) by Dr. Richard Hansler PhD
How controlling light may improve sleep and reduce the risk for episodes of mania and depression.