There’s plenty of room on top for bedside essentials, including a phone or tablet, which can charge throughout the night and be ready when you wake up. “The height adjustment saved my back,” one ...

One of the most exciting times for 7-year-old Zhang Ruoyun during weekdays is at midday, when she waits for classroom chairs to turn into loungers for her to take a nap. At around 12:30 pm, her ...