Why Am I So Tired and Sleepy?

Why Am I So Tired and Sleepy?

Cat Man Do - Simon's Cat. Why Am I So Tired and Sleepy? The compound Adenosine (ah-DEN-o-seen) is one factor. Adenosine is produced in the human body by the degradation of adenosine triphosphate (ATP), the molecule that serves as the “energy currency” for the body’s various cellular functions. The amount of adenosine produced in the brain thus reflects the activity level of its neurons and glial cells. The brain’s intense activity during periods of wakefulness consumes large amounts of ATP and hence causes adenosine to accumulate. More About Neurons The neuron is the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells. Neurons are cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells. More About Glial Cells The glial cells surround neurons and provide support for and insulation between them. Glial cells are the most abundant cell types in the central nervous system. Types of glial...
Read More