scared

At a certain time a night , I get anxiety about thinking the phone will ring because my uncle has cancer and my grandmother is 94 years old , I fear that the phone will ring during the night time with bad news , and it only happens at night , I don't want to think that way because I can't sleep, so I try and find stuff to do and not think that way , since I don't want anything to happen.....

Anyone have suggestion to help with the mood