The document lists 100 potential solutions for a person named Jake who has trouble sleeping due to noise from passing trains. The solutions range from improving soundproofing in Jake's home, finding ways to block or mask the train noise, changing Jake's sleep schedule or location, using relaxation techniques or medication to fall asleep more quickly, and developing futuristic technologies like time machines or sound manipulation devices. Many solutions also involve finding ways for Jake to get used to or not be bothered by the train noise while sleeping.