Shutdown, Restart, Sleep best method for looking after everything?

I'm just wondering what Apples stance is on actually shutting down, starting up putting to sleep etc and its effect on the hardware?
I'm sure i read a while ago that just having it a sleep was the best bet as it keeps the battery ticking over, doesn't have any cold starts which are bad for hardware etc etc....
Daily i use all day sleep at night and then do a quick re-start in the morning.
Or should only restart when needed?
So what do Apple say on this, any write ups about it?
Thanks

Never turning the MBP off or allowing it to sleep or hibernate definitely does increase wear on some of its components, notably the hard drive.
In normal sleep, my 15" MBP draws one watt of power (and the AC adapter draws another watt). In hibernation, the computer draws no power at all (it is completely off), and the adapter continues to draw one watt. There is no significant wear and tear on any part of the computer in either mode.
My MBP sleeps whenever I'm not using it. I only shut it down when I'm replacing hardware or (rarely) carrying out a test in order to respond to a question here. It hasn't been shut down for more than a total of about 8 hours in the 23 months I've owned it. The same was true of the five previous Apple notebooks that have been my primary computers for 17 years. They have all traveled everywhere with me, always in sleep mode (the computers, not me).

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    MUYconfundido wrote:
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    I bounced out the three projects into wav's. Now I am using Switch for Mac to compress them down to smaller Mp3's.
    That is silly, you could have done that in Logic, which has one of the best MP3 encoders built in. And how good encoders are will especially come out at bitrates around or below 128, which you might be looking at.
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    !http://farm5.static.flickr.com/4084/4996323899_071398b89a.jpg!
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