Thankfully, a lot of research has got into SAD, and particularly into how light exposure can affect our mood and energy levels. Have a cold or the flu? Try these 5 smart devices to feel better.This lack of light affects many of us, in the form of Seasonal Affective Disorder, where we struggle to get up early enough each morning, then feel our energy levels depleting well before the end of the working day. But for most of us the sun still only rises after we have left the house, and falls again well before we leave the office.
The shortest day of the year may be well behind us as we head into the second half of January.
