Originally Posted by gforeman

What do you mean going to sleep? The app should run in the background. If you are wanting to watch the screen, then you will have to turn the lock timeout off.

For me, I purchased a Wahoo RFLKT. This mounts on the handlebars and displays all the stats from the phone.

Also, I have the App announcing my stats every 15 minutes and every five miles. This way you do not have to even see the screen.