Science-backed supplements that actually preserve your muscle, bone and brain

We spend nearly a third of our lives doing it, yet many of us still don’t fully understand why sleep is so essential. With rising interest and questions from clients, it’s become clear that this basic biological function deserves a deeper look. To help us explore the subject, we invited Dr. Karjieker, one of South Africa’s few dedicated sleep specialists, to shed light on why sleep truly is our superpower.