In our pursuit of energy efficiency, we're finding ourselves exposed to greater amounts of blue light than ever before. Blue light appears to be uniquely detrimental to our sleep. But can it also be singularly beneficial during to our waking lives?
I can usually tell how well my clients have slept the night before within about five minutes of starting our session. We all know how important sleep is, and we all know that without adequate sleep, things can go awry fairly quickly.
Over the past century there has been a dramatic increase in the incidence of depression, sleep disorders and obesity. New data suggest that at least part of this increase could be due to the ever-growing exposure to light at night.