Sleep disruptions mediate the relationship between early postoperative pain and later functioning following total knee replacement surgery
Journal of Behavioral Medicine (2006) - Comment
pubmed: 16496209  doi: 10.1007/s10865-005-9045-0  issn: 0160-7715  issn: 1573-3521 

Julie K. Cremeans-Smith, Kendra Millington, Eve Sledjeski, Kenneth Greene, Douglas L. Delahanty