keep sb. up中等

Without constant migration of digital assets, a nightmare about the foreseeable future is what keeps historians up at night: a historical record that abruptly stops when digital replace analog.

如果不持续迁移数字资产，一个关于可预见未来的噩梦就会让历史学家夜不能寐：历史记录在数字取代模拟之时戛然而止。