Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine

African American race is associated with worse sleep quality in heavy smokers.

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine

Baugh AD, Acho M, Arhin A, Barjaktarevic I, Couper D, Criner G, Han M, Hansel N, Krishnan J, Malcolm K, Namen A, Peters S, Schotland H, Sowho M, Zeidler M, Woodruff P, Thakur N