Hi and welcome
Corny huh, making an animated sleep inducing movie. Well I find this one the most successful for me getting a quick break. The visual feedback showing how much my batteries have charged.

So what it does is tell you to drink a cup of coffee (the java will hit your brain about the same time as you wake up, which will help you come back)
Next, just close you're eyes and relax (first time it's hard, second time better).