Darkness descends. Actually it is the long, Canadian winter. Little sunlight. Lots of darkness.
The golite, pictured below, is a popular technology for inexpensive light therapy. Seasonal affective disorder seems to impact many people. I’m not sure if I suffer such a disorder. I do, however, have a timer attached to a light in my bedroom. I find it very difficult to wake up in the dark. And I find it even more difficult to walk around in a dark room.