Morning blues: Morning sickness is not just experienced by pregnant women, but can be caused by a number of factors in all people Sleeping itself can also be the cause of morning sickness. People who suffer from sleep apnoea, a condition that can cause you to stop breathing during the night, can wake in the morning feeling unrested and nauseous.
The History of Safety Glasses. Safety glasses should be worn by personnel in manufacturing, construction, medical, some service industries and sometimes sports. Although eye injury is a higher risk for these individuals, many people do not wear eye protection for one reason or another.
A simple historical timeline of eyeglasses starts with their invention, believed to be between 1268 and 1289 in Italy. The inventor is unknown. The earliest eyeglasses were worn by monks and scholars. They were held in front of the eyes or balanced on the nose.