The Feed

Sleep rarely announces itself as ambition. It doesn’t ask to be optimized in public or posted for approval. And yet, in Outlive , Dr. Peter Attia treats sleep as one of the most consequential choices we make each day—less a habit, more a safeguard for the brain. Attia is direct: sleep deprivation accelerates aging. Not metaphorically, but biologically. Poor sleep impairs glucose regulation, raises cardiovascular risk, and interferes with memory consolidation and emotional con