Know your sleep system.
Understand the biological processes that govern sleep, energy, cognition and recovery.


Sleep First · The book
A science-led guide to understanding what happens when your head hits the pillow—and why optimising those hours changes everything.

By Dr Jemma King
Your focus. Your mood. Your health. Your relationships. Sleep First explains the science in plain language and gives you the tools to make sleep the foundation—not the afterthought.
Buy Sleep FirstInside the book
Understand the biological processes that govern sleep, energy, cognition and recovery.
Identify the habits, pressures and misconceptions quietly undermining your nights.
Use realistic, evidence-based practices to sleep better without chasing perfection.
Bring the science into the room