In a world of 24-hour media saturation, sleep has become an increasingly fraught enterprise. The award-winning four-volume Encyclopedia of Sleep, Four Volume Se

Praise for the previous edition:" ... provide[s] a good background for anyone interested in the subject ... easy to use."

Examines various sleep disorders, including primary insomnia, primary hypersomnia, narcolepsy, breathing-related sleep disorder, circadian rhythm sleep disorder

Big dreams are rare but highly memorable dream experiences that make a strong and lasting impact on the dreamer's waking awareness. Moving far beyond "I forgot