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.
Cara is a female given name of Latin and Irish origin. It has been frequently used mostly in recent times, especially in the 1970s, 1980s and 1990s.Cara means friend in Irish. Cara also means beloved in Latin and the names Carina, Cherie and Cheryl derive from it.Kara, the alternative spelling, is from the Cornish word, meaning love.t has been frequently used mostly in recent times, especially in the 1970s, 1980s and 1990s. Cara means friend in Irish. Cara also means beloved in Latin and the names Carina, Cherie and Cheryl derive from it. Kara, the alternative spelling, is from the Cornish word, meaning love.