circadian rhythm

(redirected from Sleep cycle)
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circadian rhythm:

see rhythm, biologicalrhythm, biological,
cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the environment.
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circadian rhythm

[sər′kād·ē·ən ′rith·əm]
(physiology)
A self-sustained cycle of physiological changes that occurs over an approximately 24-hour cycle, generally synchronized to light-dark cycles in an organism's environment.
References in periodicals archive ?
We wanted to find a way to make sleep tracking available for everyone and waking up easy even easier, without compromising on quality," said Maciek Drejak - Founder of Sleep Cycle alarm clock and CEO of Northcube, the developer studio behind the world's top paid Health & Fitness app.
Like most sleep tracker software, Sleep as Android distinguishes itself from regular alarm clocks that ignore your sleep cycles, waking you on schedule no matter what phase of sleep you're experiencing.
NEW APPS: Clockwise, Baby Pregnancy Tracker, WEB MD, iPeriod, British Red Cross, EyeXam, NHS Drinks Tracker, Sleep Cycle Alarm Clock and Runkeeper J
A brief overview of the human sleep cycle and its importance in terms of daily functioning is in order.
Other learning focuses on how sleep/wake cycles vary among individuals, the internal biological clock that directs the sleep cycle, and the factors that can lead to sleep disorders and how these disorders can be treated.
During sleep, four stages of nonREM (NREM) sleep cycle with REM sleep in approximately 90-120 minute intervals.
They believe the bright lights can disrupt the sleep cycle, making it tough to nod off and stay asleep.
But insomnia is a different phenomenon, involving a disturbance in the sleep cycle that lasts over a period of time.
Your body's sleep cycle is controlled by the daily alternating sunlight and darkness patterns you experience," says Pamela Smith, a sports nutritionist and author of The Energy Edge (LifeLine Press, $19.
The chronic fatigue that follows a disturbed sleep cycle may contribute significantly to the patient's confusion.
You will quickly find your brain copying the pattern in the sounds - relearning your natural sleep cycle - and after using the Sleep Infuser for a short period of time, your brain is able to return to these natural patterns by itself.