You might want to check up on that: does your MacBook keep playing music if it's "ram-sleeping"? If so, it might not really sleeping as hard as it should. I've

You might want to check up on that: does your MacBook keep playing music if it's "ram-sleeping"? If so, it might not really sleeping as hard as it should. I've kept my MBP's in "I shut it and put it away" mode for days without noticeably losing juice.