Answer:
grief
Step-by-step explanation:
The loss of appetite and insomnia suffered by Mrs. Phillips stems from the recent loss of her husband. This is a case of grief following the death of loved one.
Bereavement means loss of a loved one. Grief describes a person's response to a serious loss loss. It is an intense feeling of sadness often following the death of a loved one. This sadness leads to several issues which may include loss of appetite and insomnia as mentioned in the question.