Sleep, Sleep Disorders, and Biological Rhythms by Charles.
Environmental factors influencing biological rhythms tend to change slowly, allowing the internal pacemakers to keep up. However, if the zeitgebers change quickly, problems can occur. Such problems include poor attention, slow reaction time and impaired reasoning skills and can arise from two features of modern life; shift work and jet lag.
Biological Rhythms: History and Effects - Abstract: In this paper I will attempt to explain the nature of biological rhythms, their history, and their affect on the everyday workings of the human body and mind. Biological rhythms, known also as circadian rhythms or the inner clock, pervade every aspect of human and animal life.
Pre-teens: Dement - sleep-wake utopia, teens: sexual and pituitary hormones released in pulses, circadian rhythms change - phase delay, 9-10 hours a night 2 of 25 AO2 for lifespan changes in sleep.
Biological rhythms are cyclical patterns within biological systems that have evolved in response to environmental influences, e.g. day and night. There are two key factors that govern biological rhythms: endogenous pacemakers (internal), the body’s biological clocks, and exogenous zeitgebers (external), which are changes in the environment.
The result for many people is less sleep. According to recent research, disturbing a person’s circadian rhythm by even an hour is a drastic event with potential health consequences. Effects of Daylight Saving Time on the Circadian Rhythm. The circadian rhythm is a 24-hour clock in the human body.
Like food, sleep is a biological need. Many people do not try to go without food for a day, but often, people skimp out on sleep which leads to many problems. Today, many people are not getting enough of sleep because they are trying to balance school, extracurriculars, and maintain healthy relationships.
Circadian rhythm, the cyclical 24-hour period of human biological activity. Within the circadian cycle, a person usually sleeps approximately 8 hours and is awake 16. The cycle is controlled by a region of the brain known as the hypothalamus, which is the master center for integrating rhythmic information.