Monday, September 19, 2016

Sleep and the Circadian Rhythm


The medical director of Psycare, LLC, in Fayetteville, Georgia, psychiatrist Dr. Ginari G. Price is double board certified in general psychiatry and child and adolescent psychiatry. A member of the American Academy of Sleep Medicine, Dr. Ginari G. Price is eligible to take the sleep medicine board examination. 

Physicians working in the field of sleep medicine are educated in a wide variety of related topics, including sleep issues such as parasomnias (sleepwalking) and insomnia, sleep-related breathing and movement, and circadian rhythms.

A circadian rhythm is a natural 24-hour cycle present in all living beings, from plants and fungi to humans and animals. A person’s circadian rhythm dictates when he or she wants or requires sleep and nourishment.

The circadian rhythm is largely an endogenic process, which means it is controlled by forces within the body. However, the human biological clock that controls the circadian rhythm does not span an exact 24 hours. Rather, estimates place the actual time between 24.2 and 25.5 hours. Because of this, outside variables such as patterns of daylight and darkness also affect one’s circadian rhythm. 

Circadian rhythms are responsible for more than just determining when a person needs sleep and food. They also play a role in hormone release and body temperature, and abnormal rhythms can even affect weight gain and emotional health.

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