Do ogres snore? Do pirates have blankies? Do fairies suck their thumbs? We may never know the answers to these questions. But if we're lucky--and very observant--we might be able to catch a glimpse of some fantastic creatures, all fast asleep.     In soothing rhyme, bestselling author Mem Fox explores the sleeping habits of our favorite inhabitants from the world of fairy tales. Vladimir Radunsky fills a dreamy, picturesque landscape with surprising and fun details. Fairies, wizards, goblins, and even children all find peace under the same bright moon.