As every bodybuilder knows, a deep, restful sleep boosts levels of growth hormone to build strong muscle and bone and burn fat. And as every teenager should know, they won't reach their full height ...

Among the seemingly endless variety of machinery that might be listed under the heading automatic control, feedback mechanisms stand out as a distinct group because, although differing widely in ...

UC Berkeley researchers mapped the brain circuits that control growth hormone during sleep, uncovering a feedback system where sleep fuels hormone release, and the hormone regulates wakefulness. The ...