16d A disorder of the nervous system, characterised by mild, episodic loss of attention or sleepiness (5,3) ?E?I? ??L
17d In printing, a piece or pieces of paper put under type or cuts to bring them to the proper height for printing (8) ?N?E???Y 2d A city in the northern Cape of Good Hope province, in the northern Republic of South Africa (8) U?I?G???