Final answer:
To minimize a client's insomnia caused by ephedrine nose drops, the nurse should assess the timing of administration and suggest adjusting it to earlier in the day. They can also educate the client about the stimulating effects of ephedrine and promote better sleep hygiene.
Step-by-step explanation:
When a client receiving ephedrine nose drops PRN complains of wakefulness, the nurse should take action to minimize the client's insomnia. One approach is to assess the timing of the administration of the ephedrine nose drops. If the drops are being used too close to bedtime, they may be contributing to the client's wakefulness. The nurse can suggest adjusting the timing of administration to earlier in the day to minimize the impact on sleep. Additionally, the nurse can educate the client about the stimulating effects of ephedrine and discuss strategies to promote better sleep hygiene, such as avoiding caffeine and creating a relaxing bedtime routine.