Too true ..
Funny thing is I don't really notice it as much when I'm in my home lab and the servers are 'humming'.
I'd say it's the background noise and the fact that I'm normally concentrating so much.
Otherwise the silence is deafening!!
@dutch I'm gonna try your suggestion when I'm out of here soon and will tell you if there was any relief ..
Running water is great too, you can also download a white noise app for the phone to mask it a bit.