“…As a practical matter there are a number of steps that could be taken to increase alertness so that sleep is less likely to occur at work. Interventions that have the most potential for short-term alerting effects include the optimal timing of work breaks, social activity during breaks, sensory stimulation (such as bright light and background music), imagery, exercise, and physiological self-regulation (see Penn & Bootzin, 1990, for a review of interventions for enhancing alertness and job performance).…”