Of course, some would say it already had, just by having to take a professor's class for three hours during a summer evening.

Workshops take place every Wednesday for two hours after lunch.

Well that means each company we can take for twelve hours because there are basically four business related classes.

I could take it for 15 minutes, but six straight hours.

And they took him to jail for four hours.

Rabin was shaken by the meeting and took to bed for 36 hours.

Patients should no longer be infectious after taking antibiotics for 24 hours.

Alcohol took care of that, for forty-eight hours, at least.

Starting in high school, French students are required to take philosophy for eight hours a week.

Each student is expected to take part in activities of their choice for 20 hours to reach a minimum attendance requirement.