How Long Can Your Brain Survive Without A Heartbeat?

Added: 2026-05-07

[00:00:00]Your heart stops right now. In just seconds, your brain feels it. Blood flow drops, oxygen disappears, [music] your vision starts to fade.

[00:00:09]At around 10 seconds, you lose consciousness.

[00:00:12]>> [music] >> No pain, no warning, just instant blackout.

[00:00:17]If it doesn't restart, brain damage [music] begins within minutes.

[00:00:21]But if your heart starts again fast enough, you might wake up like nothing happened.

[00:00:26]10 seconds.

[00:00:27]That's all it takes.