Sleep: A Comprehensive Handbook

Considering that we all spend around one‐third of our lives doing it, surprisingly little is known about sleep. As with so many other things, we tend to take it for granted until something goes wrong, and then we get into a flap. Even in this monstrous volume – over a thousand pages and barely portable (not the sort of thing you can easily tuck under your pillow), only the first seventy pages or so of text, plus a few of the introductory paragraphs to other sections, are devoted to normal sleep. Most of it is, inevitably, about abnormal sleep and...