Why do people put limes in their bedroom?

Reasons for Keeping Limes in the Bedroom

It has been suggested that limes are placed in bedrooms for various reasons, including their supposed ability to cleanse the air and deter insects. Many believe that the lime's refreshing scent can create a more pleasant environment, enhancing relaxation and aiding sleep. Additionally, some people claim that limes can help in absorbing negative energy, contributing to a more positive atmosphere.