no dormí bien

I didn't sleep well

→ no
phrase Rare #24,973
I didn't sleep well This is the first-person singular past tense of dormir. Related forms include no dormías bien, “you didn't sleep well” or “you weren't sleeping well,” and no duermo bien, “I don't sleep well.”
SP: No dormí bien porque hacía mucho calor.
EN: I didn't sleep well because it was very hot.

No dormí bien.

I didn't sleep well.

— El mundo (2004)

Que con el calor y la humedad, no dormí bien.

It’s just that with the heat and humidity, I didn’t sleep well.

Anoche no dormí bien.

I didn't sleep well last night.

No dormí bien anoche, así que no tengo mucha energía hoy.

I didn’t sleep well last night, so I don’t have much energy today.

Ayer no dormí bien por el ruido de la calle.

I didn't sleep well last night because of the noise from the street.

Bueno, anoche no dormí bien sabes.

Well, you know, I didn't sleep well last night.

— Todo sobre mi madre (1999)