Also, much work has been done to see how long or short a circadian cycle the different organisms can be entrained to.

When those patterns are disrupted, they disrupt the natural circadian cycle.

All behavioral tests were performed during the dark phase of the circadian cycle under dim red illumination.

This allows for circadian cycles which may be required for certain types of medication.

Such experiments show that adults, both older and younger, have a circadian cycle which is 24 hours and 11 minutes, on average.

They have a long circadian cycle and they do not entrain.

Light is an environmental stimulus for regulating circadian cycles.

Any research on how it will affect our circadian cycle with the decrease in efficiency and greater potential for accident?

The elderly are at high risk for physical ailments when their circadian cycles are disrupted.

The hypothalamus controls body temperature, hunger, thirst and circadian cycles.