This has to do with the agressive power saving strategy of Windows 8 (maybe 7 as well). I tried several recipes but only this one really worked:
- Start > All Programs > Accessories > right click 'Command Prompt' > select 'Run as Administrator'.
- Run the following command (list devices that are user-configurable/disabled to wake up from sleep/stanby/hibernate.)
powercfg -devicequery wake_programmable
- The mouse should be listed there
- Now type the command as follows
powercfg -deviceenablewake <device name>
- Exit and restart your laptop to take effect.
- Now you can check that your device is enabled to wake up at any sleep state by using the command below.
powercfg -devicequery wake_from_any