这几天老失眠--英语怎么说

很多说法,以下从易到难.
I can't/couldn't sleep well these days.
I have/had been lost sleep these days.
I have/had been losing sleep these days.
I can/could hardly fall asleep these days.
I was frequently/often/always wakeful these days.
I was frequently/often/always sleepless these days.
I am/was having trouble sleeping these days.
I have/had trouble with sleeping these days.
I have/had trouble with falling asleep these days.
I am suffering from insomnia these days.

these days I can hardly fall asleep

I've been suffering from insomnia these days.

I couldn't get to sleep lately.

these days I can hardly fall asleep

I have been losing sleep these past few days

i cannot sleep well sereval days.