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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 3.1 Total nocturnal sleep time (minutes) | 2 | 236 | Mean Difference (IV, Random, 95% CI) | 16.78 [‐7.78, 41.34] |
| 3.2 Sleep efficiency | 2 | 236 | Mean Difference (IV, Random, 95% CI) | 2.65 [‐1.79, 7.09] |
