Light's Effect. Light is one of the most important external factors that can affect sleep. It does so both directly, by making it difficult for people to fall asleep, and indirectly, by influencing the timing of our internal clock and thereby affecting our preferred time to sleep.
The forewaters are released when the amnion ruptures. This is commonly known as the time when a woman's water breaks. When this occurs during labour at term, it is known as spontaneous rupture of membranes. If the rupture precedes labour at term, however, it is referred to as premature rupture of membranes.
During pregnancy, your baby is surrounded and cushioned by a fluid-filled membrane called the amniotic sac. At some point before your baby is born, the sac will rupture.This is known as your water breaking or rupture of the membranes. When your water breaks, you may expect large amounts of fluid to run down your legs and fill up your shoes. It isn't always so easy to tell that your water has broken, though.his is known as your water breaking or rupture of the membranes. When your water breaks, you may expect large amounts of fluid to run down your legs and fill up your shoes. It isn't always so easy to tell that your water has broken, though.