Theme in BBC future on Wake therapy

Wake therapy on BBC: http://www.bbc.com/future/story/20180123-can-staying-awake-beat-depression Above is seen one of the early pioneers of wake therapy, Dr. Pflug, in front of the Department of Psychiatry in Tübingen in 1981  

Low rate of switch into mania with light therapy in bipolar depression

Rate of switch from bipolar depression into mania after morning light therapy: A historical review by Frnascesco Benedetti: https://www.ncbi.nlm.nih.gov/pubmed/29348073 And a commentary on the article: https://www.psychiatryadvisor.com/bipolar-disorder/light-therapy-manic-switches-bipolar-disorder/article/747606/