Why does my iMac wake from sleep
May 19 02:54:15 iMac loginwindow39: loginwindow SleepWakeCallback will power on, Currenttime:5/19/2010 2:54:15.002 AM - Waketime:5/19/2010 2:54:15.000 AM = Deltatime:0.001950026
May 19 02:54:15 iMac configd14: network configuration changed.
May 19 02:54:22 iMac configd14: Sleep: Success - AC - Software Sleep
May 19 02:54:22 iMac configd14: Wake: Success - AC - UHC5
May 19 02:54:22 iMac configd14: Hibernate Statistics
May 19 02:54:22 iMac configd14: Kernel configd com.apple.powermanagement.applicationresponse.slowresponse 3105 ms
May 19 02:54:25 iMac configd14: network configuration changed.
May 19 02:54:25 iMac mDNSResponder16: RegisterInterface: Frequent transitions for interface en1 (FE80:0000:0000:0000:021D:4FFF:FEFB:05EA)
May 19 02:54:28 iMac ntpd27: time reset +0.783720 s
May 19 02:54:47 iMac loginwindow39: no spins reported for this wake
May 19 03:07:24 iMac PreferenceSyncClient5067: Preference plist was NOT a dictionary.
May 19 04:07:23: --- last message repeated 5 times ---
May 19 04:07:23 iMac PreferenceSyncClient5231: Preference plist was NOT a dictionary.
May 19 05:07:22: --- last message repeated 5 times ---
May 19 05:07:22 iMac PreferenceSyncClient5311: Preference plist was NOT a dictionary.
May 19 05:56:16: --- last message repeated 5 times ---
May 19 05:56:15 iMac loginwindow39: loginwindow SleepWakeCallback WILL sleep
May 19 05:56:16 iMac configd14: PMConnection IPConfiguration com.apple.powermanagement.applicationresponse.slowresponse 559 ms
May 19 05:56:16 iMac configd14: PMConnection mDNSResponder com.apple.powermanagement.applicationresponse.slowresponse 1424 ms
What does it mean? How do i fix it?
iMac, iPhone 3GS, MacBook Air, Time Capsule, Airport Express, Mac OS X (10.6)