India - Dog

This superstition is based in India, it is believed that when someone hear a dog whining at night, it's a sign of bad luck, especially when a family member in your house or neighborhood is ill.

Mongolia - Whistling

In Mongolia, the nomads live inside a ger. Ger is a Mongolian word for Yurt, a portable felt covered dwelling structure used in the steppes. It is considered bad luck to whistle inside a ger, it is believed that this act will cause a windstorm which can be very dangerous on the steppe. The sound of someone whistling would be easily mistaken as howling winds.

Russia - Traveling

In Russia, there is a belief that when someone has left or travelling on a long journey, one should not clean the traveler's room until they have return from their journey and arrived home.