On April 28, the world celebrates Biological Clock Day!

📍The tradition of celebrating this holiday comes from the United States. The history of its foundation is unknown, but the day is of great value, forcing people to listen to their bodies.

The Day of the Biological Clock demonstrates the complex relationship between our internal circadian rhythms and the outside world. This holiday emphasizes the profound impact our biological clocks have on our sleep patterns, mood, metabolism, and overall health, calling for a deeper understanding and respect for these internal timekeepers.

The circadian rhythm (biological clock) is a daily phase of activity that repeats itself. It is needed to regulate sleep, wakefulness, eating behavior, hormone levels, and other processes. The regulation of the circadian rhythm is influenced by the concentration of hormones at different times of the day and genetic mechanisms.

📍Our circadian rhythms, 24-hour cycles that are part of the body’s internal clock, play a crucial role in determining sleep and wakefulness. Controlled by the brain’s master clock, these rhythms depend on environmental cues – primarily light and darkness – and thus dictate not only sleep patterns, but also nutrition, hormone release, body temperature, and other vital bodily functions.

⚡️ The causes of biological rhythms disruption can be various: working at night or during the day, a sharp change in time zones, sleep deprivation, and eating disorders.

⚡️ The concept of biological rhythms goes back centuries, and references to them can be found in ancient Greek texts.

⚡️ Modern scientific research began in the late 19th and early 20th centuries and culminated in the discovery of the “clock genes” that control these rhythms. These genes ensure that our physiological processes are synchronized with the day-night cycle, optimizing health and functioning.