I can't tell people who are working hard to do their best. So, "Thank you for your hard work. Sweet dreams." 頑張ってる人に頑張れとは言えない。だから「おつかれさまでした。良い夢を。」 https://www.youtube.com/watch?v=cKBgEAHJceM
http://www.nicovideo.jp/watch/sm44287206