This time of year is always so magical with Christmas decorations lighting up the streets, mugs of warming glühwein, sitting by the fire and excitedly preparing for the Christmas holidays. But winter can get people down. It is dark in the mornings making it incredibly difficult to get out of bed. It is dark by 4pm, a time that a lot of people are not even halfway through their afternoon at work. Daylight is just a flicker through the blinds from your office window. It is cold and especially at this time of year…