RT Journal Article SR Electronic T1 Jet lag and shift work sleep disorders: How to help reset the internal clock JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 675 OP 684 DO 10.3949/ccjm.78a.10083 VO 78 IS 10 A1 Bhanu P. Kolla A1 R. Robert Auger YR 2011 UL http://www.ccjm.org/content/78/10/675.abstract AB Jet lag sleep disorder and shift work sleep disorder are the result of dyssynchrony between the internal clock and the external light-dark cycle, brought on by rapid travel across time zones or by working a nonstandard schedule. Symptoms can be minimized by optimizing the sleep environment, by strategic avoidance of and exposure to light, and also with drug and behavioral therapies.