After working an eighteen-hour day, you shower and crawl into bed, so the time goes by fast.

In 1993, when he was in charge of designing eleven product lines, Ford worked eighteen-hour days.

He has a perfect attendance record, and has often worked two-week stretches of eighteen-hour days.

After years of eighteen-hour days, how hard could homework be?

Most of the people on Gummidgy accommodate to the eighteen-hour day by having two meals: brunch and dinner.

They'd pushed themselves with eighteen-hour days, brutal schedules, relentless travel, the typical madness of a presidential race.

We're going to have to work eighteen-hour days six days a week.

That was several of Talwin's eighteen-hour days after he had arrived.

This initially entailed almost a year's worth of eighteen-hour days and seven-day workweeks.

Anyway, it means eighteen-hour days for me.