By Mayo Clinic Staff. Polysomnography, also called a sleep study, is a test used to diagnose sleep disorders. Polysomnography records your brain waves, the oxygen level in your blood, heart rate and breathing, as well as eye and leg movements during the study. Polysomnography usually is done at a sleep disorders unit within a hospital or at a sleep center.
What Does Name Khali Mean EXTREMES in fortune, health and spirituality. You are very versatile, idealistic and intuitive. You either enjoy great success or suffer abject misery. The solution is service to others. Use your leadership abilities for humanity and not for self-glorification.You are bold, independent, inquisitive and interested in research.
The Chai symbol is often worn by Jews as a medallion around the neck (along with the Star of David (Magen David) and the Hamsa). In Hebrew, the related word chaya means living thing or animal, derived from the Hebrew word chai (××), meaning life. Although rare, Chai can also be used as a boy's name.Chaya, derived from chai was a popular female name in Hebrew.hai (pronounced [xai], occasionally [Ä§ai]) is a symbol and word that figures prominently in Jewish culture and consists of the letters of the Hebrew alphabet Het (×) and Yod (×).