为婴儿及其父母、卧床不起的老人、手术后及瘫痪病人提供良好睡眠环境的睡具。
A sleeping tool to provide the good sleeping environment for the infant, sickbed old, patient after operation and paralysis patient.
我们更愿意睡多久是非常主观的——但是我们需要多少睡眠就是有那么一点具体有形的了。
How much sleep we prefer to get is highly subjective — but how much sleep we need is a bit more concrete.
应用推荐