Seasonal affective disorder and sleep are interlinked. If you have a sleeping problem, whether you sleep little or too much, you might have seasonal affective disorder or SAD.
Seasonal Affective Disorder happens because days are shorter during cold months. To offset that, you need SAD lamps that mimic daylight. Thirty minutes of light therapy every morning will do the trick.
When you've decided that you are buying a SAD light there is still a lot of work to be done - mainly working out which is the best device for your needs. Here we round up some of the best selling SAD lights to help you make a decision.