Eight hours a day, 56 hours a week, 224 hours a month, 2688 hours a year. That adds up to one third of our life. This is the average time a person spends sleeping. It seems like an awful lot a time wasted on inactivity. However, sleep is not about inactivity. The electroencephalogram (EEG) is a summation of activity of postsynaptic cerebral neurons. The changes the brain goes through during sleep is measured by the EEG. These measurement …showed first 75 words of 662 total…

…showed last 75 words of 662 total…