What is sleep?. Sleep is a behavior that follows a circadian rhythm. Sleep is not uniform, but organized into cycles.Sleep is defined behaviorally into four criteria: reduced motor activity, decreased response to activity, stereotypic postures, reversibility. . Sleep Cycle. There are five stages of sleep; four stages are considered non-REM sleep and one stage of REM sleep Allan
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.