A natural supplement that can enhance sleep for many people is:.

Choice C rationale:
Keeping a night light on in the room is the most helpful intervention for a child having difficulty falling asleep. Night lights provide a comforting and soothing environment, reducing the fear of the dark and making the child feel secure. It also helps prevent complete darkness, which can be particularly helpful for children who may be afraid of the dark. This intervention promotes a positive sleep environment and can facilitate the child's ability to fall asleep.
Choice A rationale:
Giving juice and cookies before bedtime is not an appropriate intervention to help a child fall asleep. In fact, providing sugary snacks before bedtime can lead to increased activity and may make it even more challenging for the child to sleep.
Choice B rationale:
Having the parents bring a favorite blanket or pillow from home is a nice gesture and can provide comfort to the child, but it may not directly address the issue of falling asleep. While it can be part of creating a familiar and comforting sleep environment, it may not be sufficient on its own to help the child fall asleep.
Choice D rationale:
Turning off all the lights in the room may not be the best approach, as complete darkness can be frightening for some children. It's important to strike a balance between creating a soothing sleep environment and avoiding overwhelming darkness, which is why keeping a night light on is often a better option.

Choice A rationale:

Taking a warm bath before trying to go back to sleep is a relaxation technique that may help with sleep but does not address the underlying causes of insomnia. It is more of a short-term coping strategy rather than a method for locating the reasons for the insomnia.

Choice B rationale:

Reviewing times in her life when she had no insomnia is not a practical approach to addressing the current issue of insomnia. It does not help in identifying the specific factors or triggers contributing to the patient's current sleep problems.

Choice C rationale:

Keeping a diary related to sleep and problems encountered is a practical and effective approach to identify the factors contributing to the patient's insomnia. This diary can help track patterns, such as bedtime routines, diet, stressors, and other variables that may be linked to the sleep problem. Identifying these factors can aid in developing a plan to address the specific causes of the insomnia.

Choice D rationale:

Discussing the problem with her friends may provide emotional support but is unlikely to help identify the root causes of the insomnia. Friends may offer advice or share their experiences, but a structured approach like keeping a sleep diary is more likely to yield valuable information.