Circadian rhythm
Circadian rhythm is a natural, internal process that regulates the sleep-wake cycle in living organisms. This rhythm is based on a 24-hour period and is influenced by environmental cues such as daylight and temperature.
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This rhythm is based on a 24-hour period and is influenced by environmental cues such as daylight and temperature. The page on Circadian Rhythm on Wikipedia provides an in-depth overview of the topic, covering various aspects including the history of its discovery, mechanisms of regulation, and the effects of disruptions on health. The article describes the groundbreaking research conducted by scientists in the 20th century, who first identified the existence of circadian rhythms in plants and animals. It explains how these rhythms are controlled by a master clock in the brain called the suprachiasmatic nucleus, which interacts with other parts of the body and synchronizes the timing of various biological processes. The page also explains the importance of external cues, known as zeitgebers, in maintaining the circadian rhythm. These cues include light exposure, meal times, and social interactions. The article highlights the significance of light in regulating the sleep-wake cycle and discusses how artificial light exposure, particularly during nighttime, can disrupt this rhythm and lead to various health issues such as insomnia and mood disorders. Additionally, the Wikipedia entry provides information on the effects of circadian rhythm disruptions on different aspects of health, including metabolism, cardiovascular function, and mental well-being. It discusses the increased risk of developing chronic conditions such as obesity, diabetes, and even certain types of cancer. Furthermore, the page on Circadian Rhythm covers the concept of chronotypes, which refers to individual differences in sleep patterns and preferences. It explores how these differences can affect productivity, performance, and overall well-being. Overall, the Wikipedia entry on Circadian Rhythm offers a comprehensive overview of this important biological process, including its history, regulation mechanisms, effects on health, and individual variations. It serves as a valuable resource for those interested in understanding the science behind our daily sleep-wake cycle and the impact it has on our lives.