be fast asleep

Carl Icahn , the activist investor , is known for waking up late and working late into the night , holding negotiations when most people would normally be fast asleep and he has an advantage over his weary rivals .

维权投资者卡尔伊卡恩（carlicahn）为人熟知的习惯是起床很晚，工作到深夜，在大多数人通常已经熟睡的时候进行谈判，因此他在困倦的谈判对手面前很有优势。

And then the opposite of " not sleeping a wink " is to be fast asleep or sound asleep .

Fastorsoundasleep也是指睡得很沉的意思。

Drive through France at any time of the day , week , month or year and95 % of the country appears to be uninhabited or fast asleep .

无论在哪一年、哪一月或哪一天的任何时候来到法国，95%的国度看上去杳无人迹，或是整个国家都在酣睡中。

When I get up tomorrow morning , the sun will be shining , the birds will be singing , and my roommate will still be lying in bed fast asleep .

我明晨起床时，太阳会在照耀著，鸟儿会在歌唱，我的室友仍会躺在床上酣睡。