Is It All About the Light?

Many of you may have heard of the impact of light (or lack of it) on our bodies via the discovery of S.A.D (that’s seasonal affective disorder).  Just as lack of light during winter can impact our mood, so light can have a positive “re-setting” function on our circadian rhythms (the cycles of our body – especially sleep).

The circadian rhythm is more a function of darkness and light rather than actual time of day. Bright light can discourage drowsiness, and darkness can cause sleepiness, day or night. Light therapy is a treatment used for people who suffer from circadian rhythm sleep disorders. Your body has an internal clock that tells it when it is time to be asleep and when it is time to be awake.

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