Glitch projects stop every 5 minutes for performance optimization. If you need to keep your Glitch project live, copy and run this workflow. It will make a request to your Glitch server every minute.

I added a custom route in my Glitch server at /wakeup to catch these requests:

app.get("/wakeup", function(request, response) {
  console.log("i'm awake");
  response.send("i'm awake")
});

This is the Glitch project I'm keeping live with this workflow (if you want to see more of the code):

https://glitch.com/edit/#!/bedecked-piano-0yxv6z7pze?path=server.js:20:0