The present invention relates to a composition for treating sleep disturbance or for sleep maintenance comprising a Withania somnifera root extract, a Morus bombycis Koidz. var. bombycis extract, and a pure tea extract as active ingredients, and to a cosmetic composition which contains the composition. An objective of the present invention is to provide a composition for treating sleep disturbance or for sleep maintenance comprising natural extracts as active ingredients.COPYRIGHT KIPO 2018본 발명은 윈터체리뿌리 추출물, 산뽕나무 추출물 및 보이차 추출물을 유효성분으로 포함하는 수면 장애 개선 또는 숙면 유지용 조성물 및 이를 포함하는 화장료 조성물에 관한 것이다.