The term 'rouse from sleep' can be defined by the crossword solutions of AWAKEN (6 letters), WAKE (4 letters), WAKEN (5 letters), STIR (4 letters) and AROUSE (6 letters). AWAKEN, WAKE and WAKEN all mean to cause someone or something to become active or conscious after sleeping or being inactive. STIR means to move slightly or gently, and AROUSE means to excite or stimulate someone or something. All of these words are related to the idea of rousing from sleep, which is the act of waking up from a period of rest.