Long Nights Long nights refer to periods during which darkness prevails for an extended duration, particularly significant during the winter months. These nights are characterized by reduced daylight hours, which can have profound effects on both human behavior and the environment. The occurrence of long nights is primarily rooted in the tilt of the Earth’s…
What is Circadian Rhythm? Circadian rhythm refers to the natural, internal process that regulates various physiological functions, primarily our sleep-wake cycle. This innate biological clock operates on a roughly 24-hour cycle, adapting our bodily functions to the natural ebb and flow of day and night. The term “circadian” derives from the Latin words “circa,” meaning…
What is Jet Lag? Jet lag is a temporary sleep disorder that occurs when an individual travels across multiple time zones, resulting in a misalignment between the body’s internal clock, known as the circadian rhythm, and the new local time. The human circadian rhythm is a natural, internal process that regulates the sleep-wake cycle, and…
What is Melatonin/Melatonin Hormone? Melatonin is a hormone primarily produced by the pineal gland in the brain. It plays a crucial role in regulating sleep-wake cycles, also known as circadian rhythms. These rhythms are essential for maintaining various physiological processes, including sleep patterns, hormone release, and metabolic functions. The secretion of melatonin is influenced by…