how much money would i save by unplugging all my electronics at night?

[C'est le Vince]

I have always heard that if you unplug your electronics at night you will save money. im a college student living with 3 roomates in a 5 bedroom house, we try to keep bills down, so this might be a way of keeping our electric bill down. our e bill is normally around 75 bucks, not bad, but i would like to save money any way possible...
we all have computers and televisions and stereos and such...