he got sleepier and sleepier
he get sleep and sleep
pro:sub v adj coord adj
he got sleepier and sleepier .
h iː WORD_BOUNDARY ɡ ɒ t WORD_BOUNDARY s l iː p i ə WORD_BOUNDARY a n d WORD_BOUNDARY s l iː p i ə WORD_BOUNDARY
h e WORD_BOUNDARY g o t WORD_BOUNDARY s l e e p i e r WORD_BOUNDARY a n d WORD_BOUNDARY s l e e p i e r WORD_BOUNDARY