it affects the part of the sleep cycle that activates the lymphatic cleaning process. This process clears away the metabolic ...

The production and release of adenosine in your brain is linked to metabolic activity while you are sleeping. There is a direct correlation between increasing levels of adenosine in your brain and ...

Another theory suggests that a buildup of a chemical messenger in the body known as adenosine could cause the excessive sleepiness upon waking. Another reason researchers believe you may experience ...

This is likely due to caffeine blocking the receptors of a chemical found in human cells called adenosine. It may also be due ...