An adult male client tells the nurse that he smokes approximately one pack of cigarettes daily. How can the nurse expect smoking to affect this client's sleep?

Choice A rationale Smoking, due to the stimulant effects of nicotine, does not decrease the need for REM sleep. In fact, nicotine withdrawal during sleep can disrupt sleep architecture, often leading to reduced REM sleep and overall poorer sleep quality. REM sleep is essential for cognitive function and emotional regulation. Choice B rationale While some individuals might initially fall asleep soundly, the stimulating effects of nicotine wear off during the night. Nicotine withdrawal can lead to increased arousals, making it unlikely for a smoker to sleep soundly through the first half of the night with only increased arousals later. Choice C rationale Nicotine is a central nervous system stimulant, directly affecting neurotransmitter systems like acetylcholine and dopamine. This stimulation makes it difficult for smokers to initiate sleep, increasing sleep latency. Furthermore, as nicotine levels drop during the night, withdrawal symptoms like cravings and irritability lead to fragmented, light sleep with frequent awakenings and arousals. Choice D rationale Smoking significantly increases sleep latency, which is the amount of time it takes to fall asleep. The stimulating effects of nicotine interfere with the body's natural sleep-wake cycle. Consequently, smokers experience reduced total sleep time due to difficulty falling asleep and frequent awakenings throughout the night.