Ever been startled by a strange noise at home? Have you heard it for the first time? And once you noticed it, you don’t have a clue where it 's coming from. May be you've been hearing that noise off and on and been too busy, or lazy, to check it out. Whatever it is, rest assured it isn’t about your house being haunted or kids playing a prank! Homes across the world are known to produce a myriad of sound effects such as scratches, creaks, groans, moans and whistles etc. Let’s debunk the myth behind these noises, some of which may prove scary, especially in the dead of the night.