The common symptoms of sleep apnea to be aware of are: - Loud or frequent snoring. - Choking in sleep, gasping. - Pauses in breathing during sleep. - Anxiety. - Morning headaches. - Excessive daytime sleepiness. - Waking up with a dry mouth or sore throat.
For instance, while a one carat (1.0 ct.) good quality emerald may sell for somewhere between $525 and $1,125, a five carat (5.0 ct.) emerald of similar quality could sell for between $7,500 and $15,000 (prices are for comparison only, exact prices vary according to market demand).
While commercial grade emeralds are quite plentiful, fine and extra fine quality emeralds are very, very, rare. For purposes of illustration the following table indicates the range of retail prices that could be typical for a 1 carat emerald (prices are for comparison only, exact prices vary according to market demand).