Scientists discover how deep sleep builds muscle, burns fat, and boosts the brain

Scientists have discovered a surprising two-way relationship between sleep and growth hormone, revealing how the brain carefully balances physical recovery with wakefulness.

Scientific signal separates durable discovery from noise — and often foreshadows policy and product.

ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.