circadian rhythm

Stop the Clock: The Permanent Daylight Saving Revolution

We change our clocks twice a year in the U.S. because of Daylight Saving Time, and it costs the economy $434 million annually.

Bright Light Before Bed Leads to Faster Cycle Times

Here's an easy way to save over a minute on a 10km time trial - just by using light and its effects on your body physiology.

When You Train and What It Might Mean About You and Your Exercise

What time of the day is best to train? The key in optimizing results is to listen to your body. Our body tells us when it wants to exercise. We simply need to listen.