Training is such a vital part of preparation for a game you really do train to play. It tops up your ability like sharpening a carving knife. You can get away with not doing it for a while as long as you have reached a certain standard of fitness.
Sometimes I'm so tired I look down at what I'm wearing and if it's comfortable enough to sleep in I don't even make it into my pajamas. I'm looking down and I'm like 'T-shirt and stretchy pants? Yup that's fine. It's pajama-y good night.'