Comparison 1. Positional therapy versus CPAP.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Epworth Sleepiness Scale	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
2 Apnoea‐Hypopnoea Index	2	66	Mean Difference (Random, 95% CI)	6.40 [3.00, 9.79]
3 Self‐reported adherence time	1		Mean Difference (Random, 95% CI)	Totals not selected
4 Quality of life by SF‐36 physical	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
5 Quality of life by SF‐36 mental	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
6 Quality of Life: FOSQ	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
7 Sleep quality: proportion of REM	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
8 Sleep quality: proportion of slow‐wave sleep	1		Mean Difference (IV, Random, 95% CI)	Totals not selected