1. Blocking nocturnal blue light for insomnia: A randomized controlled trial
    Ari Shechter, Elijah Wookhyun Kim, Marie-Pierre St-Onge, Andrew J. Westwood (2017)
    “Amber lenses represent a safe, affordable, and easily implemented therapeutic intervention for insomnia symptoms.”
    Link to study:
  1. Blue blocker glasses impede the capacity of bright light to suppress melatonin production
    Alexandre Sasseville, Nathalie Paquet, Jean Sévigny, Marc Hébert (2006)
    “Blue blockers represent an elegant means to prevent the light-induced melatonin suppression.”
    Link to study:

  2. Amber lenses to block blue light and improve sleep: a randomized trial
    Kimberly Burkhart, James R. Phelps (2009)
    “At the end of the study, the amber lens group experienced significant (p < .001) improvement in sleep quality relative to the control group and positive affect (p = .005).”
    Link to study:

  3. Action Spectrum for Melatonin Regulation in Humans: Evidence for a Novel Circadian Photoreceptor
    George C. Brainard, John P. Hanifin, Jeffrey M. Greeson, Brenda Byrne, Gena Glickman, Edward Gerner, Mark D. Rollag (2001)
    Link to study:

  4. The impact of light from computer monitors on melatonin levels in college students
    Mariana G. Figueiro, Brittany Wood, Barbara Plitnick, Mark S. Rea (2011)
    Link to study: