Sure, mine's done it occasionally (rarely enough to be a surprise when it does happen), but do they do it every single time you put them to sleep? I doubt it. My Dell does this every single time it goes to sleep. It's really aggravating.
If you use an SD card, Apple issued an update to have it cook itself every single time, and never enter hibernate, to sell more 2-3x markup native storage space. If you try to fix it, the next update will break it again.