F.lux has this study on their webpage. https://justgetflux.com/research.html https://justgetflux.com/research.html http://www.pnas.org/content/early/2014/12/18

F.lux has this study on their webpage. https://justgetflux.com/research.html https://justgetflux.com/research.html http://www.pnas.org/content/early/2014/12/18/1418490112.full.pdf+html http://www.pnas.org/content/early/2014/12/18/1418490112.full... I was really hoping for research comparing F.lux to a non-backlit screen; this seems to tell us what we already knew.