That's the kind of diary that will help you to understand you better while you sleep - night after night we'll help you and give you directions to keep track of your brain activity at night. We teamed up with the french bedding specialist bonsoirs.com for this unique adventure. You'll find inside: - a useful guide & advice - an index to sort your dreams out - 60 ready-to-fill dream charts - tests to go to bed smarter - and lists for your favorite and most hated dreams