Once diagnosed with Season Affective Disorder (SAD), how do you choose between Whitelight & Bluelight treatments?  There are current studies being made now with the use of Orange light for SAD, so there is a lot of decisions with regards to treatment.  We know that a small amount of people find that bluelight can cause headaches and can affect their sleep.  Again, this article shows the importance light has on our wellbeing and the benefits it could provide to its occupants within office, retail or education environments.