Directory of County Government Offices in Joplin, MO yellow pages. Find Joplin, MO County Government Offices with maps reviews, websites, phone numbers, addresses, and business profiles. Toggle navigation Superpages Online Yellow Pages, Local Business Directory
During the night, you cycle through five separate stages of sleep every 90 to 110 minutes, experiencing between three and five dream periods each night. The five stages of sleep can be distinguished by changes in the electrical activity in your brain, measured by electroencephalogram (EEG).
What Happens in the Brain During Sleep? The function of sleep has mystified scientists for thousands of years, but modern research is providing new clues about what it does for both the mind and body. Sleep serves to reenergize the body's cells, clear waste from the brain, and support learning and memory. It even plays vital roles in regulating mood, appetite and libido. Sleeping is an integral part of our life, and as research shows, it is incredibly complex.