You can only reassure your son as much as possible. It will help to put a nightlight in his room.It may also help to consult a child psychologist at this stage as your son is very unsettled. He would benefit a lot from play therapy as a start.Try him on Rescue remedy at night and if this does not help him to sleep and to calm him, it may be necessary to try Melatonin 3mg at night. Melatonin is a natural hormone in the body.
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