https://blogs.mercola.com:443/sites/vitalvotes/archive/2005/03/01/Burning-Midnight-Oil-Shuts-Down-Long-Term-Memory.aspxHave you put in a bunch late hours working on a crunch project or studying for a test, only to find the next morning your memory isn't as sharp as you expected? Scientists have known for a while that the brain's biological (or circadian) clock influencesenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)