despite his welcome home daddy sign, tj didn't know his dad was going to get there yesterday until he saw him. >> i love that. >> the bear hug is pretty much the rest of the story. >> that is just the greatest. >> that is just -- i cannot, never get tired of watching these things. >> sim here. when you see a little girl or boy run up and say daddy or mommy, it's just phenomenal. >> so cool. >> yeah. good for them. coming up, how the beauty of dance has transformed a young girl. >> we will share the performance of a very special dance troupe and tell you why this amazing program has made such a difference. first, though, a story we know you'll relate to, the cost of trying to get a good night's sleep. the disturbing side effects of some sleeping pills and why women are more impacted than men. you're watching "world news now." ♪ so tired ♪ i don't know what to do ♪ i'm so tired >> announcer: "world news now" weather brought to you by colonial penn life insurance. to you by colonial penn life insurance.