Complex sentence: In most parts of Sri Lanka, civets are considered a nuisance since they litter in ceilings and attics of common households, and make loud noises fighting and moving about at night, disturbing the sleep of the householders.
Split into simpler sentences: In most parts of Sri Lanka, civets are considered a nuisance since they litter in ceilings and attics of common households. They engage in noisy fights and moving about at night, disturbing the sleep of the householders.