Foods stay frozen longer if the freezer remains unopened, is full, is in a cool place and is well insulated. Usually food in a loaded freezer will stay frozen for two to four days, depending on its size. A half-filled freezer will keep food frozen only about 24 hours. Cover the freezer with blankets, keeping them away from the compressor, to help hold the cold.
Studies also found workers to be more fatigued. following a 12-hr shift when compared to an 8-hr shift. Night shifts can also be tiring. Mental and physical. effects of night work have been shown to affect a workerâs. concentration, alertness, motivation, and memory.
If you answered yes to any of these questions, then read on, because you may have shift work disorder, a type of circadian-rhythm sleep disorder that can adversely impact not only your job performance, but also the quality and even duration of your life.