Have you ever woken up just minutes before your alarm goes off and
marveled at your body’s sense of time? It’s because we have an internal
clock that mirrors nature’s cycles of day and night and sunlight which
is detected by cells in the retina of the eye sends messages to the
brain that keep us in a roughly 24-hour pattern.These light cues trigger
all kinds of chemical events in the body, causing changes in our
physiology and behavior.Read More
