Erratum : 취침 전 저농도의 이산화탄소 가스 노출이 불면에 미치는 영향

The authors missed adding a funding statement in the article before publication. The authors contacted the editorial office and requested that an additional funding statement be added. In this article, the current Funding Statement reads as “This study was supported by Samsung Medical Center Grant (#OTC 1190671).” The corrected Funding Statement is provided below: Funding Statement This study was supported by Samsung Medical Center Grant (#OTC 1190671). This study was funded by NYX Inc. The funders had no role in the data collection, data analysis, or the decision to publish.