The study allowed 18 women and 22 men to sleep only 26 minutes per night over a four-day period.

"In the four-day period I declared five teenagers dead," he said.

Over a four-day period, 22 people were killed, 16 of them on 10 July itself.

At that time, candidates were required to take all nine divisions over a four-day period.

In all, more than 40 events were conducted over the four-day period of the festival.

The result has been a 98-point advance by the Dow over the four-day period.

The events take place over a four-day period and can attract 3,000 to 5,000 motor coaches.

Eighteen new cases of wild card in a four-day period.

They went quickly from 14 to 10 in only four days, then picked up two more games during the following four-day period.

Parents were then asked to record everything their children ate over a four-day period.