An outline allows a writer to categorize the main points, to organize the paragraphs into an order that makes sense, and to make sure that each paragraph/idea can be fully developed. Essentially, an outline helps prevent a writer from getting stuck when performing the actual writing of the essay.
sleep deprivation a nursing diagnosis accepted by the North American Nursing Diagnosis Association, defined as prolonged periods of time without sleep (sustained, natural, periodic suspension of relative consciousness).
Effects of Sleep deprivation on brain: Sleep deprivation can induce oxidative stress in brain, by increasing free radical production and/or by directly decreasing glutathione levels in hypothalamus and thalamus. Hypothalamus may be particularly affected by sleep deprivation.