Some of us often plays music on our computer and goes outside the room, this could be wastage of electricity if you use a CRT monitor. By the time you can turn off your monitor to save power. However most of the CRT's causes the computer to restart (flickering) because of high power drain on starting usually LG Crt's. Have you ever think, how to turn on your monitor without flickering?
You can turn your computer into stand by mode by a useful software called turn off monitor. Just install this software and it will switch your computer to stand by mode. Just move your mouse around or press any key on the Keyboard wake up from stand by. By doing this, your monitor will not suck not much power as like from cold start so no power failure will occur. This software is a shareware and has a bunch of other shutdown related utilities.