Death is supposed to be the end of the road. The lights are out, the curtain has fallen. No breathing, no heartbeat—end of discussion, right? Not quite.

In some cases, corpses twitch, flex, shift, change positions, or even make noises that could easily be mistaken for messages from beyond the grave. But before you call the Ghostbusters, take a deep breath. The explanation is less zombie apocalypse and more basic biology .

Even after the heart stops beating, the body still has a few tricks left up its sleeve. The results can be creepy, sure, but experts say they’re perfectly natural. Here’s why corpses sometimes move and make noise.

How much does your body move after you die

Our bodies can continue moving long after death .…