Verified answer

well, aphrodi, you did take steroids so it wouldnt be the first time youve been on drugs

I suggest muting the system sounds (open the mixer, hit Mute) and if you hear anything else, it's likely somebody else is using skype or something in the other room/next door and has the volume up much too loud. Then unmute it once you've figured it out.

go sleep a little, be away from pc some time