Table 1. Patients characteristics at baseline .
| Patients characteristics | ||
| Sex | Male | 190(76%) |
| Female | 60(24%) | |
| Age (year) | Mean ± SD | 48.1±12.0 |
| Range | 19-82 | |
| Marital status | Single | 34 (13.6%) |
| Married | 200(80%) | |
| Divorced | 16(6.4%) | |
| Education | Undergraduate | 34(13.6%) |
| Diploma | 70(28%) | |
| College | 146(58.4%) | |
| BMI(kg/m2) | 25-29.9 | 115(46%) |
| 30-34.9 | 60(24%) | |
| >35 | 37(14.8%) | |
| Neck circumference (cm) | Mean ± SD | 40.2 ± 3.8 |
| Medication use | 75(30%) | |
| Smoking | 68(25.2%) | |
| Opium consumption | 8(3.2%) | |
| Underlying diseases | Postnasal drip | 109(43.6%) |
| Mood disorders | 88(35.2%) | |
| Gastro-esophageal reflux | 78(31.2%) | |
| Leg cramps | 73(29.2%) | |
| Hypertension | 56(22.4%) | |
| Diabetes | 34(13.6%) | |
| Migraine | 34(13.6%) | |
| Pulmonary diseases | 34(13.6%) | |
| Cardiovascular diseases | 30(12%) | |
| Thyroid dysfunction | 25(10%) | |
| Sleep quality satisfaction | Very satisfied | 10(4%) |
| Satisfied | 62(24.8%) | |
| Partially satisfied | 87(34.8%) | |
| Unsatisfied | 65(26%) | |
| Very unsatisfied | 24(9.6%) |