sleep怎么变成动名词

变成动名词是：sleeping

Rows of sleeping migrant workers fill the sidewalks .

人行道上挤满了成排睡着的流动工人。

Drs. jones and fu stress that there is no genetic test for short sleeping .

钟斯和傅惠强调，没有针对短睡眠症的基因测试。

This means my sleeping time and subsequently my waking time does not get affected .

这样意味着我的睡眠时间和后来的起床时间没有受到影响。

An international group of researchers looked at this as well as problems eating and sleeping .一个国际研究小组研究了这个问题，包括饮食和睡眠问题在内。