"For Dr. Guy Leschziner's patients, there is no rest for the weary--either in mind or in body. Insomnia, narcolepsy, night terrors, apnea, and sleepwalking are just a sampling of conditions afflicting sufferers who cannot sleep--and their experiences in trying are the stuff of nightmares. Demoniac hallucinations frighten people into paralysis. Restless legs rock both the sleepless and their sleeping partners with unpredictable and uncontrollable kicking....

Neuroscientist Penny Lewis explores the latest research into the nighttime brain to understand the real benefits of sleep, showing how, while our body rests, the brain practices tasks it learned during the day, replays traumatic events to mollify them, and forges connections between distant concepts.

"Do you know why humans snore? Or how a cat sees in the dark? Have you ever heard of a flower that blooms only at night? The answers to these nighttime mysteries and more are revealed in this entertaining non-fiction introduction to the science of night. There's a whole world of activity going on in the world in the dark, and even inside us, when our bodies and brains seem to be quiet and still. In the Dark investigates the big questions about what...

Provides clear, complete information on genetic disorders, including conditions, tests, procedures, treatments and therapies, in articles that are both comprehensive and easy to understand in language accessible to laypersons.