я лёг

I lay down; I went to bed

→ я
phrase Uncommon #16,905
I lay down; I went to bed Used by a male speaker in the past tense. A female speaker says «я легла»; the verb can be followed by «спать» to mean “go to bed.”
RU: Я лёг спать сразу после ужина.
EN: I went to bed right after dinner.

Я лёг обратно в постель и проспал ещё три часа.

I went back to bed and slept for another three hours.

Я лёг в половине первого.

I went to bed at half past twelve.