What is the term used to describe a set of hours when a night shift worker can reliably expect to rest without interruption?

The term "anchor time" is used to describe a specific period during which night shift workers can expect to have uninterrupted rest. This is crucial for their well-being and performance, as it allows them to establish a consistent sleep pattern that is essential for recovery from night shifts. Regular and uninterrupted sleep during this anchor time can help mitigate the adverse effects associated with shift work, such as fatigue, mood disturbances, and cognitive impairment.

In contrast, the other terms—critical incident, demobilization, and CISM (Critical Incident Stress Management)—do not refer to designated rest periods. A critical incident typically relates to a traumatic event that may require special attention or psychological support, while demobilization refers to the process of safely transitioning individuals out from a high-stress environment. CISM is specifically a supportive measure for those involved in critical incidents, and it does not pertain to sleep or rest schedules at all. This clarity helps underline the significance of anchor time for night shift workers in achieving better health outcomes.