Looking back on 2011 – another topic that seemed to be dear to many hearts was sleep, or the lack of it. While creating material on the subject of full-spectrum light we wrote about this topic a number of times.
The key out-take is that we need to alternate full-spectrum and dim light at the right times (ie full-spectrum during daylight hours and dim light in the evening) in order for our circadian rhythm to allow us to sleep soundly at night. (more…)

