Taking on last-minute shift coverage, especially during the night, can be quite challenging and exhausting. From my own experience, working unexpected night shifts often demands quick adaptation. Fatigue becomes a significant factor that can affect one's alertness and performance, especially in roles that require high levels of concentration and readiness, like emergency response teams. I remember a time when I had to cover a night shift unexpectedly after only a short rest. It required not just physical endurance but also mental resilience to stay focused throughout the shift. To manage fatigue, I found that staying hydrated and taking short, mindful breaks whenever possible made a notable difference. Additionally, being familiar with equipment, such as the AED devices like Motorola NREMT used by units like MID-SUSS RESCUE SQ on 91 d 1972, helped me respond swiftly without hesitation. Preparing mentally before the shift and having a plan for post-shift rest also contributes to recovery and maintaining overall well-being. While last-minute fill-ins are sometimes unavoidable, sharing these experiences highlights the importance of support systems and strategies to mitigate tiredness and uphold safety and effectiveness in critical roles.