Boom, boom, boom, boom, the students were discussing and interacting with each other, and by 4 a.m. that night, I'm totally fascinated, having this epiphany, and by 4 a.m. in the morning, they had discovered the right answer.
Boom, boom, boom, boom,  os estudantes estavam a discutir e a interagir uns com os outros e lá para as 4 h de manhã  estou totalmente fascinado, a ter uma epifania, às 4 h da manhã eles descobriram a resposta correcta.