🌙 Evidence-based sleep guide Sleep is not simply downtime for a tired body. While you sleep, your brain and body ...
Sleep is not simply downtime for a tired body. While you sleep, your brain and body continue important work that supports learning, memory, emotional regulation, immune function, metabolism, tissue maintenance and cardiovascular health.[1][3]
This guide explains why sleep is important for your health, how much sleep adults generally need, what insufficient or poor-quality sleep can do, practical habits that may improve rest and when ongoing sleep problems should be discussed with a healthcare professional.
