My Imac 24" Leopard wake me up every night at 01h00 AM!

Hi to all of you
my new Imac 24" (dec07 and 10.5.1) wake up or start by itself every night at 01h00 AM. As my desk is in my bedroom, it drives me crazy. The only solution found is to change the time setting (3h earlier) to perform this at 10h00pm.
No clue trough activity monitor. Just a guess about maintenance scripts.
Never had that on a Imac G5 1.8 Ghz, even with Leopard.
Have you seen same behaviour and got any idea?

Hi
Mac did again without any setting. Console log:
Feb 3 00:14:31 iMac24 loginwindow[7473]: Login Window Started Security Agent
Feb 3 00:14:43 iMac24 kernel[0]: AFPSleepWakeHandler: going to sleep
Feb 3 00:14:43 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 00:14:45: --- last message repeated 1 time ---
Feb 3 00:14:45 iMac24 kernel[0]: vmnet: bridge-en1: interface en is going DOWN
Feb 3 01:00:08 iMac24 kernel[0]: vmmon: powerStateDidChange flags=0x4 (state 2)
Feb 3 01:00:00 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 00:14:45 iMac24 kernel[0]: System Sleep
Feb 3 01:00:00 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:09 iMac24 kernel[0]: System Wake
Feb 3 01:00:09 iMac24 kernel[0]: vmmon: powerStateDidChange flags=0x82 (state 4)
Feb 3 01:00:01 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet8(7) Flags 8863 Family 2 172.16.241.1 has different family: 0
Feb 3 01:00:09 iMac24 kernel[0]: vmnet: VMNetDisconnect called for port 0x76f5000
Feb 3 01:00:01 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet1(8) Flags 8863 Family 2 172.16.92.1 has different family: 0
Feb 3 01:00:09 iMac24 kernel[0]: vmnet: bridge-en1: filter detached
Feb 3 01:00:01 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:09 iMac24 kernel[0]: vmnet: bridge-en1: down
Feb 3 01:00:01 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:09 iMac24 kernel[0]: vmnet: bridge-en1: detached
Feb 3 01:00:09 iMac24 kernel[0]: vmnet: Freeing hub at 0x7b8c800.
Feb 3 01:00:08 iMac24 configd[33]: rtmsg: error writing to routing socket
Feb 3 01:00:09 iMac24 kernel[0]: AppleYukon2: 00000000,00000000 sk98osx_dnet - recovering from missed interrupt
Feb 3 01:00:08 iMac24 configd[33]: rtmsg: error writing to routing socket
Feb 3 01:00:09 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet8(7) Flags 8863 Family 2 172.16.241.1 has different family: 0
Feb 3 01:00:09 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet1(8) Flags 8863 Family 2 172.16.92.1 has different family: 0
Feb 3 01:00:09 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:10: --- last message repeated 1 time ---
Feb 3 01:00:10 iMac24 kernel[0]: AppleUSBHub::setPowerState(0x5abf600, 2 -> 4) timed out after 10395 ms
Feb 3 01:00:10 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet8(7) Flags 8863 Family 2 172.16.241.1 has different family: 0
Feb 3 01:00:10 iMac24 kernel[0]: EIR is not supported.
Feb 3 01:00:10 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet1(8) Flags 8863 Family 2 172.16.92.1 has different family: 0
Feb 3 01:00:10 iMac24 kernel[0]: AFPSleepWakeHandler: waking up
Feb 3 01:00:10 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:12 iMac24 kernel[0]: SetCryptoKey T: len 16, idx 0
Feb 3 01:00:12 iMac24 kernel[0]: SetCryptoKey R: len 32, idx 1
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: VNetUserIf_Create: created userIf at 0x7e4ca00.
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: VMNetConnect: returning port 0x7e4ca00
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: Hub 0 does not exist, allocating memory.
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: Allocated hub 0x622a000 for hubNum 0.
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: VMNETSOBINDTOHUB: port: paddr 00:50:56:f4:76:14
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: Hub 0
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: Port 0
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: bridge-en1: got dev 0x5cf4204
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: bridge-en1: wireless interface detected.
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: bridge-en1: up
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: bridge-en1: attached
Feb 3 01:00:12 iMac24 kernel[0]: vmnet: VNetUserIfFree: freeing userIf at 0x7e4ca00.
Feb 3 01:00:13 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet8(7) Flags 8863 Family 2 172.16.241.1 has different family: 0
Feb 3 01:00:13 iMac24 mDNSResponder[22]: getifaddrs ifa_netmask for vmnet1(8) Flags 8863 Family 2 172.16.92.1 has different family: 0
Feb 3 01:00:13 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:14: --- last message repeated 1 time ---
Feb 3 01:00:14 iMac24 kernel[0]: AppleYukon2: 00000000,00000000 sk98osx_dnet - recovering from missed interrupt
Feb 3 01:00:33 iMac24 kernel[0]: AFPSleepWakeHandler: going to sleep
Feb 3 01:00:33 iMac24 mDNSResponder[22]: SetupAddr invalid sa_family 0
Feb 3 01:00:55: --- last message repeated 1 time ---
Feb 3 01:00:55 iMac24 kernel[0]: BT_USB Controller: SuspendDevice(0) failed with error e0004051
Feb 3 01:00:55 iMac24 kernel[0]: BT_USB Controller: SuspendDevice(0) we are still connected to our hub so .. plain reset 0x5b1ff00
Feb 3 01:01:25 iMac24 kernel[0]: CSRUSBBluetoothHCIController::setPowerState(0x5b7b000, 1 -> 2) timed out after 50292 ms
Feb 3 09:08:48 localhost kernel[0]: npvhash=4095
Feb 3 09:08:45 localhost com.apple.launchctl.System[2]: fsck_hfs: Volume is journaled. No checking performed.
VMNET is very present. Perhaps, you will see at 01h00 something , thanks for help
JY

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