People in fast-paced societies are often stricken with insomnia. The latest gizmo on display at the China International Import Expo boasts that it will slash the time needed to find blissful slumber. But how does it work?
Reporter: Guo Meiping Videographer: Zhu DanniVideo editor: Guo Meiping Chief editor: Wang Mingyan
Copyright © 2020 CGTN. Beijing ICP prepared NO.16065310-3