Home page Psychology blog Psychology News From the World of Science Circadian rhythms. Your liver knows you’re not sleeping

Circadian rhythms. Your liver knows you’re not sleeping

31.07.2019 Author: psiholog pavel horoshutin
mobile phone before bed

Using your smartphone before bed makes your liver work as by day.

Scientists from the University of California confirmed the suspicion that the circadian rhythms of various body systems work independently of the central clock, which is controlled by the hypothalamus.

To do this, they turned off the circadian system of mice, and then started the internal clock of the liver and skin separately. It turned out that they are extremely affected by light. The liver of mice “knew” the time of day despite the non-working central clock in the brain, the organ processed glucose and produced bile to prepare for digestion. The research suggests that the livers of the mice were guided by the signals of other organs that are closer to light.

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Circadian (diurnal) rhythms are a human biological clock that controls the work of our body systems with a frequency of about 24 hours. The circadian rhythm is built according to sunrise and sunset. If the circadian balance is disturbed, the pattern of the physiological activity of an individual becomes upset. Every cell in our body has its own internal clock. The hypothalamus coordinates all the clocks of the body, and the central clock of the whole organism is located there, in the suprachiasmatic nucleus.

Possible consequences of circadian imbalance include:

  • irritability,
  • fatigue,
  • headache,
  • spikes in blood pressure,
  • metabolic disorders,
  • dyspepsia,
  • premature aging,
  • allergy,
  • cancer.

Our body houses the most perfectly balanced system. No matter how hard you try, you will not be able to deceive it. It is necessary to adhere to the correct sleep-wake pattern and go to bed on time, as well as avoid bright light before bedtime. You will feel better from both a physiological and psychological point of view.