Log of computer start ups

[goodtimes5]

Where can I find a log that keeps track of when my computer is brought up out of sleep?

[HexMonkey]

Open Console (/Applications/Utilities/Console). Click the Logs icon on the toolbar if the logs list isn't visible and select system.log. This log contains information about waking from sleep, but also other information. However you can view just the information about waking by typing "System Wake" in the filter (without speech marks).