Which strategy helps reduce delirium in ICU patients?

• A. Light sedation with daily sedation interruptions and early mobility
• B. Deep sedation with continuous analgesia
• C. Frequent sleep deprivation to prevent oversedation
• D. Prolonged bed rest and immobility

Answer: (A)

Reducing delirium in the ICU is most effective when patients are kept as awake and engaged as safely possible, with movement encouraged as early as feasible. Light sedation lowers exposure to sedatives that can cloud cognition and prolong confusion, while daily interruptions of sedation allow regular neurologic checks and quicker assessment for readiness to wean from the ventilator. Coupled with early mobility, this approach supports better cerebral function, preserves muscle strength, and helps realign the sleep-wake cycle. Together, these practices reduce the duration and incidence of delirium and improve overall outcomes. In contrast, deep, continuous analgesia tends to keep patients sedated and unresponsive, sleep deprivation disrupts circadian rhythms and worsens delirium, and prolonged bed rest contributes to cognitive and functional decline—factors that collectively heighten delirium risk.