TY - RPRT TI - Enriched sleep environments lengthen lemur sleep duration AU - Vining, A. Q. AU - Nunn, C. L. AU - Samson, D. R. PY - 2021 DO - 10.1101/2021.06.02.446761 UR - https://www.biorxiv.org/content/10.1101/2021.06.02.446761v1 ID - 10.1101/2021.06.02.446761 ER -