Staff will make charts based on different tests of the proposed purchase different degrees of soft and hard mattresses, thus avoiding sleep Yaosuanbeiteng, access to quality sleep.

• 工作人员会根据不同的着力曲线图建议测试者选购不同软硬度的床垫，从而避免睡得腰酸背疼，获得高质量睡眠。