A one-page overview of the peer-reviewed research, prepared for discussion with a healthcare provider. The Tapping Evidence Base · July 2026
Bottom line. A meta-analysis (Kim 2016) reported a pooled effect size (unspecified pooled metric) of -1.18 for tapping on sleep quality in the sleep & insomnia literature.
| Study | Design | Journal | Effect |
|---|---|---|---|
| Kim, J.H., Oh, P.J. (2016) | Meta-analysis, N=962 | Korean Journal of Adult Nursing | effect size (unspecified pooled metric) = -1.18 |
| Unknown, et al. (2025) | Randomized trial, N=90 | Unknown (ScienceDirect, Elsevier — journal title not confirmed) | |
| Qi, W., Xinyi, Y. et al. (2024) | Randomized trial, N=70 | AIDS Research and Therapy | |
| Tang, X., Wang, L. et al. (2023) | Randomized trial, N=66 | Geriatric Nursing | |
| Özcan, H., Meşedüzü, M. et al. (2025) | Randomized trial, N=64 | Explore (New York, N.Y.) | |
| Souilm, N., et al. (2022) | Randomized trial, N=60 | Scientific Reports | |
| Zheng, D., Xiao, W. et al. (2025) | Randomized trial, N=58 | Medicine (Baltimore) | |
| Lee, J.H., Chung, S.Y. et al. (2015) | Randomized trial, N=20 | Energy Psychology Journal |