ABRET Neurological Disorders Practice Test 2025 - Free Neurological Disorders Practice Questions and Study Guide

Question: 1 / 400

What is the medical term for the "sleep-wake cycle"?

Circadian rhythm

The medical term for the "sleep-wake cycle" is referred to as the circadian rhythm. This term describes the natural, internal process that regulates the sleep-wake cycle and other physiological processes, repeating roughly every 24 hours. Circadian rhythms are influenced by external factors such as light and darkness, helping to determine sleep patterns, feeding habits, hormone production, and other bodily functions.

Understanding circadian rhythms is essential in the context of sleep disorders and overall health, as disruptions in this cycle can lead to various issues such as insomnia, mood disorders, and other health problems. The significance of circadian rhythms highlights their role in aligning bodily functions with the environment, making it a fundamental concept in both neuroscience and sleep medicine.

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Ultradian cycle

Nocturnal rhythm

Homeostatic sleep drive

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