Is stress keeping you wide awake at 3 AM? Here's the science behind why cortisol destroys your sleep — and exactly how to break the cycle naturally. 

In this video, we break down the cortisol-sleep loop, why late-afternoon caffeine is silently ruining your rest, and the adaptogenic ingredients that actually lower cortisol levels (backed by clinical research). If you've been waking up exhausted even after 8+ hours of sleep, this one's for you.