My mac wakes from sleep on its own?

Hi all, for some reason my mac wakes from sleep overnight, not quite sure at which time it does this but I have found the computer awake and up and running in the morning for a few days now?
any ideas why it would wake itself up?
cheers, Robert
G4 MDD dual 1.25Ghz, Tiger 10.4.10

98% likely one of your USB devices is waking it up. Do you have a USB hub attached or a bunch of USB devices (drives, other doodads) attached? The console tip above may help tell you which one it is

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Message was edited by: craigie b

Hi craigie, and welcome to Apple Discussions.
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My mac wakes from sleep on its own?

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