Could you try to find out more about what is bothering her? For example, probe her on what exactly is she afraid of? Acknowledge and address her fears will likely help. Like what Yuna suggested, she is likely having some difficulties adjusting to the new environment. Therefore, listening to her and think of ways to help her get over her fear. Will leaving a small bedside lamp help? Or perhaps playing soft music in the background as she goes to bed?
Hope she sleeps better soon!
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