This is the 11055th most frequent Spanish word.
duerman
"Duerman" means "they sleep" or "may they sleep" (subjunctive form).
Subjunctive mood expressing necessity or recommendation.
Es importante que duerman bien para tener energía.
It is important that they sleep well to have energy.
Subjunctive mood expressing hope or desire.
Espero que duerman tranquilamente esta noche.
I hope they sleep peacefully tonight.
Subjunctive mood indicating uncertainty or possibility.