“…There were 27 studies included in the final review: 13 (48%) reviewed shift length, [23][24][25][26][27][28][29][30][31][32][33][34][35] 12 (44%) examined Across all of the studies and interventions, the impact of duty hour restrictions most frequently had no impact on patient care (5 of 10, 50%), 23,24,28,41,48 no impact on resident well-being (7 of 17, 41%), 27,34,35,41,44,46,49 and an unfavorable impact on resident education (9 of 14, 64%). 29,30,[33][34][35][36]41,43,46 A minority of studies found a favorable impact on resident well-being (4 of 17, 24%; TABLE 2).…”