I have to use it at night otherwise I can't get to sleep.

晚上得用，不然睡不着。

I couldn't get to sleep at all last night for worrying.

因为担心，昨晚我根本睡不着。

Since it's quite hot here I bought a fan, I have to use it at night otherwise I can't get to sleep.

因为这里很热，我买了一个风扇，我必须在晚上使用它，否则我无法入睡。

He tossed fretfully and could not get to sleep.

但是东想西想，急躁地翻来覆去终夜不能入眠。

I could hardly get to sleep for glorying over it.

心里那么得意洋洋，我几乎连觉都睡不着。

Fauci's worst nightmare? I could barely get to sleep.

这只是福奇最糟的恶梦？我可是几乎无法入眠。

You sigh, toss and turn, and try to get to sleep.

你长吁短叹, 翻来覆去, 试图能够入睡.

To do sth. I found it useful to get to sleep early.

我发现早睡很有好处。

Now I get to sleep with oven mitts taped to my hands.

于是我现在只好戴上隔热手套用胶带贴好再睡觉。

After taking a sedative she was able to get to sleep.

服用了镇静剂后，她能够入睡了。