I went out for a longish paddle in my WD12 on Saturday and was able to take advantage of the giant cockpit. We found a shady spot in a shallow little creek and backed our boats into some water weed so they wouldn't move. After lunch, I slid forward and was able to rest fully prone with the seat pad for a pillow. As I looked up through the coaming I could see a bald eagle circling over us. The breeze in the trees and the cicadas singing had the expected effect and the next thing I knew I was being accused (quite falsely, I'm sure) of snoring. Probably jealousy becaus I could take a nap in my WD12, while she couldn't in her CH16LT.
So one more thing to consider when choozing a boat - snoozability.