The note was posted through their letterbox by a family living across the road.
One of the students who live at the house said:"We got this letter a few days ago.
"I thought it was hilarious. It's so so hilarious. I just don't get how they can see in.
"We can't see out of the window at all when we're in the bathroom. I think we can see if it's dark or light but that's it.
"We're a group of seven students living in the house but it's a family who live opposite us. If their kids are young we should definitely do something about it.
"We might message the landlord but they probably won't do anything about it anyway. We might have to hang a towel over the window.
"I've honestly never heard of anything like this before. It's a bit of a stupid design to be honest."Gabi lives in the white, two-story terraced house in Hanover, Brighton, with six of her fellow students at the University of Sussex.
She added: "I don't know if it's a problem with the road, but then I've never stood and stared into the windows to see my naked neighbours