Freediving Blog
Training Tips, Stories & Depth Insights from The Depth Collector

Drowning is fast, silent, and more complex than most realize. It begins before submersion—with heat, cold, panic, or sudden reflexes triggering dangerous responses in the heart, lungs, and brain. Cold shock, autonomic conflict, aspiration, and hypothermia all play roles. This article breaks down the physiological cascade of drowning—so we can better train, prevent, and respond.