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The Complete Idiot's Guide to Managing Your Moods by John Preston

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Chapter 9
Sleep: The Guardian of the Brain
In This Chapter
• Sleep’s role in maintaining good emotional functioning
• How caffeine can ruin sleep
• Common causes for sleep disturbances
 
Each night during sleep, in very complex ways, the brain performs maintenance on itself. A multitude of chemical reactions occur during sleep that keeps the brain operational and able to manage emotions more successfully. In this chapter, we will learn about sleep and how to maximize quality sleep.

Sleep: Necessary but Fragile

In studies of sleep deprivation, even modest amounts of deprivation, for example, two nights without sleep, result in the following:
• Fatigue (of course).
• Significant problems with the ability to think clearly and maintain attention.

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