What are some common superstitions surrounding twitching and how do they vary across different cultures?

Common superstitions surrounding twitching vary across cultures. In some cultures, twitching of the left eye is seen as a sign of good luck, while in others it is believed to be a sign of bad luck. Similarly, twitching of the right eye can be interpreted differently depending on the culture. Some believe it is a sign of impending success, while others see it as a warning of misfortune. Overall, superstitions surrounding twitching are diverse and can differ significantly from one culture to another.