This is due to anxiety and fear because of things are unfolding around us these days, maybe life being so uncertain and insecure because of COVID19, this is caused due to over thinking, but remember you cannot change the situations around you but definitely change the way you think and live.
Next Steps
Take your life each day at a time
Have a positive frame of mind
Stop overthinking about tomorrow but live for the day
Start meditation for 20 min morning and before going to bed
Consult a good Psychotherapist for Counseling