When you're hungry, the resulting muscle contractions in your stomach increase the growling. It's not like a dog's growl, but a hot dog or two would probably quiet it down. Humans can go longer without food than without sleep. After several days without z's, insanity will set in. More than 10 days without sleep can be fatal.
Cooties are real organisms.
They are a small, parasitic type of body louse similar to bird lice. They may even carry diseases like typhus. It is the sound of the sea your own internal sea. It's actually the sound of your own blood coursing through your body that you hear. Your leather shoes.