circadian

The period of their circadian rhythm has grown to 47 hours.

The same may be true for the circadian system.

They know the time because of circadian rhythms the field produces.

Health problems can result from a disturbance to the circadian rhythm.

Changes in sleep and circadian rhythm occur as you age.

In addition, it can be difficult to find a doctor who knows much about circadian rhythms, as the field of study is quite new.

Exercise may also play a role in determining circadian rhythm.

Prolonged administration can have an impact upon the circadian rhythm.

"Your normal circadian rhythm is longer than 24 hours in 99 percent of people," he explained.

It, too, is being generated by the body's circadian rhythms.

Light pollution has also been found to affect human circadian rhythms.

You know your particular circadian pattern requires at least seven hours of solid sleep.

Late afternoon is suggested to be the best time to visit because of the daily Circadian flight.

Circadian advantage is much more of an issue in sports that feature significant international travel.

Light's effect on the circadian rhythms of all or most animals has been well documented.

The cycles of day-to-day changes are known as circadian rhythms.

Circadian rhythms are not the only factors that influence whether you get a good night's sleep.

That's because your circadian rhythm affects you head to toe.

But back in the sunlight, all quickly resume their 24-hour circadian rhythm.

All rats were killed between 1400 and 1600 hours to prevent circadian variations.

This Circadian test is used by scientists and can help you discover your natural 24 hour body clock.

Subjects are thus forced to live by their internal circadian "clocks".

"If this is the case, these patients may respond best to drugs that modify the circadian system."

An hour here or there may not seem like much, but we're fooling around with circadian rhythms.

There's just much less reliance on your natural circadian rhythms."