This can range from 24 hours a day to as little as four to six hours.

Symptoms appear after periods of time ranging from minutes to 6 to 14 hours.

She did not breathe during the entire period of a vision that ranged from fifteen minutes to three hours.

Trail hikes range from 15 minutes to 4 hours.

With events ranging from 30 minutes to 5 hours, athletes must be accustomed to maintaining an increased heart rate.

But the waiting time for people without appointments ranged from 10 minutes to two hours, depending on the help that they needed.

Approximately 7.5 million customers lost power for periods ranging from several minutes to six hours.

For the rest, many with serious conditions, the wait ranged from 15 minutes to 17 hours.

The time of the power outages ranged from 20 minutes to over eight hours.

Depending on a doctor's instructions, treatments can range from two and a half to five hours.