Bookmark Mindfulness The Beurer TL60 Bright Light: How Light Therapy Changed My Mornings by Gemma Callaway February 15, 2017 by Gemma Callaway Seasonal Affective Disorder (SAD) is a type of disorder that occurs seasonally. People suffer particularly in the Autumn & Winter, when the days are shorter and there is less daylight. … 0 FacebookLinkedinCopy LinkEmail