Final answer:
Thomas Edison's perfection of the electric light bulb and the spread of electric lighting greatly boosted the nighttime entertainment industry by enabling activities and places to be enjoyed after dark.
Step-by-step explanation:
Thomas Edison's innovations in electricity had a significant impact on multiple industries, but they were particularly transformative for nighttime entertainment. Edison's perfection of the electric light bulb in 1879 made it possible for factories to operate 24 hours a day and greatly influenced the growth of nighttime leisure activities. His creation of the first power company and the subsequent spread of electric lighting enabled places like brightly lit amusement parks and urban gardens to become magical destinations for city dwellers, thereby greatly boosting the nighttime entertainment industry.