Do you have a girlfriend? Or wife?

Do you live in the same apartment/house?

Do you sleep in the same room?

In the same bed?

And your computer is located in exactly that room? :-|

And you are a geek and stay up all night hacking?

If yes then...

You most certainly have had discussions/problems/fights with your beloved other over this issue!

The typing, the screen brightness, the music, every move, every laugh, everything you do while your significant other is trying to sleep is going to annoy her and as a certain consequence will eventually lead to her annoying you.

The final question:  Do you have a spare closet in that room?

If yes then it is your lucky day. I am going to present you  the ultimate cost effective solution:

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All your prayers have been answered. Sleep tight!