Document Classification

Section Type: RESULTS

Text: Percent of the night snoring decreased from 27. 5 + / - 23. 2 to 11. 6 + / - 13. 7 (p < 0. 001) on initial treatment nights and 14. 6 + / - 20. 6 (p = 0. 013) at the end of the trial ; Epworth Sleepiness scores decreased from 8. 7 + / - 4. 0 at baseline to 6. 9 + / - 4. 4 (p < 0. 001) at the end of the trial ; the Pittsburgh Sleep Quality Index improved from 7. 4 + / - 3. 3 to 6. 5 + / - 3. 6 (p = 0. 042).