The nurse is caring for a patient in the intensive care unit who is having trouble sleeping. The nurse explains the purpose of sleep and its benefits. Which information will the nurse include in the teaching session? (Select all that apply)

Choice A reason: During NREM sleep, biological functions like heart rate and metabolism decrease, not increase, to promote restoration. Increased functions occur in REM sleep or wakefulness. This statement is incorrect, as it misrepresents NREM sleep’s physiological role, making it an inappropriate teaching point. Choice B reason: REM sleep increases cortical activity, supporting dreaming and memory processing, not decreasing it. This statement is inaccurate, as REM is characterized by high brain activity similar to wakefulness. It does not align with sleep’s benefits, making it incorrect for the teaching session. Choice C reason: Restful sleep preserves cardiac function by reducing heart rate, blood pressure, and stress hormones, lowering cardiovascular strain. Adequate sleep prevents arrhythmias and hypertension, making this a correct teaching point to highlight sleep’s protective role in heart health for ICU patients. Choice D reason: NREM sleep, especially deep stages, promotes body tissue restoration by facilitating protein synthesis and growth hormone release, aiding tissue repair. This is a key benefit, particularly for ICU patients recovering from illness, making it a correct point for the nurse’s teaching session. Choice E reason: Sleep, particularly REM and deep NREM, supports cognitive restoration by consolidating memories and clearing brain metabolites. This enhances alertness and decision-making, critical for ICU patients’ recovery. This is a correct teaching point, emphasizing sleep’s role in mental clarity and function.