espantar el sueño

== Spanish == === Etymology === Literally, "to scare off sleep" === Verb === espantar el sueño To keep someone up; to keep someone from sleeping === Further reading === “espantar el sueño”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025