Before we comment further on these pathological conditions, we should remember that changes in the state of the hypothalamus within physiological limits distinguish sleep from wakefulness.

Before considering these elements in more detail, an additional requirement should be stated.

Before commercial Internet access became common, these networks of BBSes provided regional and international e-mail and message bases.

Before that, it was about 7 censuses, most part of these previous censuses was undertaken during Soviet ( USSR ) control.

) Before a major fire, typical chaparral plant communities are dominated by manzanita, chamise ( also called greasewood or Adenostoma fasciculatum ) and Ceanothus species, Toyon ( which can sometimes be interspersed with scrub oaks ), and other drought-resistant shrubs with hard ( sclerophyllous ) leaves ; these plants resprout ( see resprouter ) from underground burls after a fire.

" Before the production of written languages, dance was one of the methods of passing these stories down from generation to generation.

Before these modifications, the design of their shoulders was closer to instruments of the violin family.

Before these privileges were legislated, these groups of handicraft workers were simply called ' handicraft associations '.

Before the Test series started he scored consecutive centuries against Tasmania and Australia A these were his first in two years.

Before consolidation of many of these rural school districts in the last half of the twentieth century, Indiana high schools had fewer students than those of most other states ; basketball was a natural game for these schools since it only required five starters and a few reserves.

Before he died, Marx asked Engels to write up these ideas, which were published in 1884 under the title The Origin of the Family, Private Property and the State.

Before that, most of these patterns were more connected to geographical regions than to any clan.

Before Franklin D. Roosevelt, attempts at a third term were encouraged by supporters of Ulysses S. Grant and Theodore Roosevelt ; neither of these attempts succeeded.

Before the time of Flavius, these formularies are said to have been secret and known only to the priests.

Before these monsters the hero's courage failed and by them was led away to eternal punishment.

Before 1900, England had none of these except for the civil registration of births, marriages, and burials briefly attempted under the Commonwealth ( 1653 – 1660 ) and an even more short-lived initiative of the same kind in 1694 in connection with the attempt to raise a tax on the occasion of every birth, marriage, and death — paupers excepted.

Before the start of World War II, Germany started building U-boats and training crews, labeling these activities as " research " or concealing them using other covers.

Before and during his career as a writer, he attempted to be a publisher, printer, businessman, critic, and politician ; he failed in all of these efforts.

Before 1991 these judges were known as District Justices and addressed as " Your Worship ".

Before universal algebra came along, many theorems ( most notably the isomorphism theorems ) were proved separately in all of these fields, but with universal algebra, they can be proven once and for all for every kind of algebraic system.

Before printer's magenta was invented in the 1890s for CMYK printing, and electric magenta was invented in the 1980s for computer displays, these two artificially engineered colors were preceded by the color displayed at right, which is the color originally called fuchsine made from coal tar dyes in the year 1859.

Before these royal marriages, Darius married a commoner with whom he had three sons, Artobarzanes ( the first born ), Arabignes and Arsamenes, while daughters are not known.

Before these plans could come to effect however, the central government declared the city a protected townscape.

Before conceiving the Xanadu House concept, Masters designed and created inflatable balloons to be used in the construction of houses.

Before the introduction of UTC on 1 January 1972 Greenwich Mean Time ( also known as Zulu time ) was the same as Universal Time ( UT ) which is a standard astronomical concept used in many technical fields.

Before that, tourists who couldn't afford to stay in a hotel either slept in their cars or pitched their tents in fields alongside the road.

Before then, its application was lax in other scientific fields.

Before the current in the electromagnet is turned on, the domains in the iron core point in random directions, so their tiny magnetic fields cancel each other out, and the iron has no large scale magnetic field.

( Before that, most of the area bounded by Heathrow Road and the Bath Road and Tithe Barn Lane, and extending some way west from that, was one of the open fields of the parish and was called Heathrow Field, and the land southeast of Heathrow Road was common land.

Before calculating the distances needed at the different fields of view, the constant width of the scene has to be calculated.

Before the advent of the railroads, the canal allowed shippers to cut many miles off the route from the Pennsylvania coal fields, down the Delaware, around Cape May, and up along the ( occasionally treacherous ) Atlantic Ocean coast to New York City.

Before noon on August 6, McNeil attacked Porter in the town of Kirksville, where the Confederates had concealed themselves in homes and stores and among the crops in the nearby fields, especially in the county courthouse and the commercial buildings on the square.

Before they would return to Germany, they were forced to clear the dams and mine fields.

Before the invention of artificial fields almost entirely to the cultivation of barley and oats, which were the staple of the population in the Middle Ages go for it.

Before the advent of coordinate-independent methods, it was necessary to work with vector fields using their components in coordinate charts.

Before 1530, the coat of arms had five fields, showing four griffins symbolizing Pomerania-Stettin, Pomerania, Wenden, Cassubia, and an empty regalia field.

Before hitting it big as an actor, McRaney worked in the Louisiana oil fields.

Before entering politics, Cummins worked in the pulp and paper industry in Ontario, the oil fields of Alberta and on the construction of the Bennett hydroelectric dam in Northern BC.

Before entering politics, Matthews held a number of positions in various fields.

Before he is found by members of the Khmer Rouge, he slips into a muddy cesspool filled with rotting human corpses ; in doing so, he stumbles upon the infamous killing fields of the Pol Pot regime, where it murdered millions of Cambodian citizens.

Before reaching Kalami village, another beach-' Kyani Akti ' is hidden behind fields of bamboo.

Before Manchester's Barton and Ringway airports were laid out, three farm fields between Rackhouse Road and Wythenshawe Road in what is now the north edge of Wythenshawe were used as Manchester ( Wythenshawe ) Aerodrome.

Before the coming of the Noldor it was spoken far and wide in Beleriand ( save in Ossiriand ) and all the names of places, of rivers, woods, fields, plains, hills and mountains were given in this tongue.

Before it was built, the area mostly comprised fields and open countryside on the edge of the city and in the townland of Grangegorman.

Before that, in 1828-1829, for the state of Pennsylvania he had surveyed parts of the state's anthracite coal regions, the upper Susquehanna River canal system, and the Danville and Pottsville Railroad ( D & P ) connecting the upper Susquehanna and Schuylkill rivers ' canal systems with the coal fields in between.

Before his " miracle year " ( 1905 ), when Einstein was a patent clerk in Bern, the group of friends met to debate books in the fields of physics and philosophy.