After you create your masterpiece of code, do you know enough to document and understand it later (so you can pass it on to others)? Having been in the zone, I

After you create your masterpiece of code, do you know enough to document and understand it later (so you can pass it on to others)? Having been in the zone, I completely sympathize with the view that productivity isn't constant; that the cost to your health is worth the leap... Have you ever had that feeling and then realized in the morning/next day that your feeling was illusory and you actually took the harder path?