TY - JOUR T1 - Apps and fitness trackers that measure sleep: Are they useful? JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 451 LP - 456 DO - 10.3949/ccjm.84a.15173 VL - 84 IS - 6 AU - Meghna P. Mansukhani AU - Bhanu Prakash Kolla Y1 - 2017/06/01 UR - http://www.ccjm.org/content/84/6/451.abstract N2 - Consumers have become increasingly interested in using fitness trackers and smartphone applications to quantify sleep. The devices claim to measure various sleep parameters, with the result that patients are now showing the data from their devices to their clinicians with concerns about their quantity or quality of sleep. In general, these devices have major shortcomings and limited utility, as they have not been thoroughly evaluated in clinical populations. ER -