Sort of. I don't think I've really been getting enough sleep the last 3 or 4 nights. It seems I always wake up tired. I got about 8 hours last night, but I feel like I hardly had any. I should concentrate on getting to bed early tonight.
Here's an impressive demonstration of a graphics engine for a new game that can render an entire planet as you orbit it, and let you fly down and zoom through its terrain features.