Share Read on Mobile Enter Reading Mode Kim Sung Joo couldn't sleep because of Highlight's Junhyung grinding his teeth at night? Posted on 2017-06-22 19:22:53 by askkpop On the June 20 episode ofJTBC's 'Around the World Travel Package',Highlight'sJunhyung,Jung Hyung Don, andKim Sung Jooshared a room during their trip to Hokkaido, Japan, whileDoojoon,Ahn Jung Hwan, andKim Yong Mangrouped up in the other room! Comment