noun, feminine/madɾuˈɡada/plural: madrugadas
dawn; early hours of the morning, before dawn; the period of time between midnight and sunrise
“El presidente de Estados Unidos, Donald Trump, anunció la madrugada de este sábado que Nicolás Maduro y Cilia Flores fueron capturados y extraidos de Venezuela, tras una serie de ataques llevados a cabo en Caracas, Miranda, Aragua y La Guaira.” — The president of the United States, Donald Trump, announced early Saturday morning that Nicolás Maduro and Cilia Flores were captured and removed from Venezuela, after a series of attacks carried out in Caracas, Miranda, Aragua and La Guaira.
From the past participle of madrugar.