Everything that happened that night was obliterated from his memory.

那天夜里发生的一切都从他的记忆中消失了。

《牛津词典》

It tends to happen in the first part of the night and is critical to memory formation.

这通常发生在夜晚的前段，而这对于记忆的形成至关重要。

youdao

Hope fades into the world of night through shadows falling out of memory and time.

希望已隐没在夜晚，将摆脱黑暗，穿越记忆和时间。

youdao

If you expect to experience an undeniable hunger sometime past midnight, it is a good idea to commit the following late-night eateries to memory.

BBC: Late-night eats in New Orleans

The team has also discovered that the craft is now unable to fully recharge its batteries, causing it to lose its memory each night when it shuts down.

ENGADGET: Anthropomorphized Mars lander in terminal "Groundhog Day" mode, tugging heartstrings

Thirty-four years later and thousands of miles west, Abdulrahman Zeitoun was in bed on a Friday morning, slowly leaving the moonless Jableh night, a tattered memory of it caught in a morning dream.

CNN: Excerpt: The calm before Katrina