The AHI is used to classify the severity of your sleep apnea, according to the following criteria for adults: Normal: fewer than 5 events per hour of sleep. Mild: 5-14.9 events per hour of sleep. Moderate: 15-29.9 events per hour of sleep.
Green and white became Michigan Stateâs primary colors around 1903, when the school hired Chester L. Brewer as its first full-time athletic director. At MSU, Brewer coached football, basketball, baseball and track.
Copper is a reddish brown color that resembles the metal copper. The first recorded use of copper as a color name in English was in 1594. Copper Country is an area in the northwestern Upper Peninsula of Michigan, an area which at one time was the world's greatest producer of copper. 2  Copper City is a village in Houghton County, Michigan.