Ebert, Rebecca M Minimal Effect of Daytime Napping Behavior on Nocturnal Sleep in Pregnant Women. [electronic resource] - Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine Jun 2015 - 635-43 p. digital Publication Type: Journal Article ISSN: 1550-9397 Standard No.: 10.5664/jcsm.4774 doi Subjects--Topical Terms: ActigraphyAdolescentAdultCircadian Rhythm--physiologyCohort StudiesFemaleHumansLongitudinal StudiesMiddle AgedPolysomnographyPregnancyProspective StudiesSleep--physiologySleep Stages--physiologyWakefulness--physiologyYoung Adult