The horrible truth is that if there were more hours in the day, people would use them to think up more things for others to do -- or else they'd just expect us to do more of the same stuff in the extra hours we'd have.
Therefore, it doesn't matter. Just as your mp3 collection will always expand to fill your hard disk, that which is required of you will always expand to fill your day. The size of the container determines the size of the contents.
There is no hope.