What Is the Purpose of Sleep Testing? Sleep studies, or polysomnograms, are tests to diagnose sleep disorders like sleep apnea, periodic limb movements of sleep, parasomnias (sleep behaviors), and narcolepsy. They generally involve spending the night sleeping at a sleep laboratory or sleep center.
Origin and Meaning of Laura.  1 Laura is a name of Latin origin, and it means Laurel. 2  LP is a rock music, pop music, indie rock, indie pop, and alternative rock musician. 3  Reese Witherspoon is an actress and producer. 4  Laura Prepon is an actress, producer, and model. 5  Laura Dern is an actress, director, and producer.
The name was first given to 5 or more babies in the year 1880 when it was given to 1,012 new born babies. The highest recorded use of the name Laura was in 1964 with a total of 18,976 babies. (That's a lot of baby Lauras).