Childhood sleep: physical, cognitive, and behavioral consequences and implications.

"Declarations Ethical approvalNot applicable. Conflict of interestNo financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. Author Fan Jiang is an Associate Editor for World Journal of Pediatrics. The paper was handled by the other Editor and has undergone rigorous peer review process. Author Fan Jiang was not involved in the journal's review of, or decisions related to this manuscript. The authors have no conflict of interest to declare. Conflict of interest No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. Author Fan Jiang is an Associate Editor for World Journal of Pediatrics. The paper was handled by the other Editor and has undergone rigorous peer review process. Author Fan Jiang was not involved in the journal's review of, or decisions related to this manuscript. The authors have no conflict of interest to declare."

"Funding This study is funded by the National Institute of Child Health and Development (NIH/NICHD R01-HD087485). During the study, WG and JF were supported by the National Natural Science Foundation of China (Nos. 82073568, 82071493), Innovative Research Team of High-level Local Universities in Shanghai (Nos. SHSMU-ZDCX20211100, 20211900), Science and Technology Commission of Shanghai Municipality (No. 2018SHZDZX05), and Shanghai Municipal Health Commission (Nos. 2022XD056, 2020CXJQ01)."