Ok so I charge my glassbook 2.0ghz to 100% b4 i left home. I drive for an hour to get to my work place and notice that my macbook is all warm in my briefcase (it was closed and it was sleeping!). It wakes up and I see my battery has 75% remain (from 100%). It must've been up and running even tho I closed it and put it to sleep. How do I fix this issue? Is it defective? PS: when i close the laptop, every now and then, it would wake up momentarily ( i can hear apple logo light up for a sec and hear cdrom drive booting up).