Scared to get NEW JOB?

ive been a custodian for like 8 years , i recently bcame preg and due to day care problmes ( Finding a provider for night time) i am going to have to switch to a different line of work that is during the day - im extremely nervouso ill have a panic attack and etc... i do not want to leave my comfort zone. any tips ? any jobs that would be fairly low stress like a custodian?? am i worreid about nothing? thanks