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Circadian Rhythm
Simply put, our bodies have an internal clock called the “circadian.” It comes from the Latin word meaning “about 24 hours.” Our internal circadian “clock” dictates when we feel sleepy, hungry, happy or sad. It is said the human body is actually four-dimensional, the fourth being time, “a daily tide upon which we float.” Most of our circadian rhythms are controlled by our body’s biological “clock.”
How does our circadian “clock” tick?
This clock of ours is...
Read moreMore information on "Circadian Rhythm"
From Our Experts
S.A.D. and Circadian Rhythms
“If we had no winter, the spring would not be so pleasant: if we did not sometimes taste of adversity, prosperity would not be so... Read more »
Day and Night: Why We Sleep When We Do
We left off talking about the circadian rhythm and how it is primarily regulated by light during the day, helping us be more alert, and... Read more »
Your Ticking Clock
Picture the human body as a big clock, or perhaps a conglomerate of clocks, all ticking in unison. All forms of life respond to the cycles... Read more »
Why We Sleep: and Why We Don't
Question: I get tons of sleep a night - at least 8 hours - but I still feel like I need a nap around 1 or 2 pm each day. Is this... Read more »
Melatonin: The Natural Sleeping Pill
A friend of mine recently wrote me the following letter asking for more information on melatonin. I dedicate this article to her:M.H.... Read more »
From Our Sources
Sleep Habits in Teens
As a mother of three teenagers, observing their current sleep habits makes me stop and wonder—why do all three of them appear to have morphed into... Read more »
Risk score may predict abnormal heart rhythm
Weighing a combination of risk factors could help doctors predict which patients are the most likely to develop atrial fibrillation, a new study... Read more »
Multaq approved for heart rhythm disorders
The U.S. Food and Drug Administration has approved the drug Multaq to promote normal heart rhythm in people who suffer from atrial fibrillation or... Read more »
ICU Patients at Risk for Rare Heart Rhythm Condition
A statement from the American Heart Association and the American College of Cardiology are warning health care professionals that certain medications... Read more »
Music, heart can keep the same rhythm
A new study in Italy has found that people's cardiovascular rhythms can "sync" with musical ones. For their experiment, scientists used several... Read more »
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