We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHappy as a lark: Morning-type younger and older adults are higher in positive affect.AuthorsBiss, Renée K.; Hasher, LynnPublicationEmotion, 2012, Vol 12, Issue 3, p437ISSN1528-3542Publication typearticleDOI10.1037/a0027071