This  study  aims  to investigate  the  factors  contributing  to  the  stress  levels  of  teachers  in  educational institutions of  Pakistan during the shift towards the online mode of education. This quantitative study used a survey questionnaire to obtain data from the teachers.  The  questionnaire  included  the  items  on  workload,  technical  hurdles,  social  contact, and  work-life  balance  of distance learning teachers while transmission towards online mode. A sample size of 75teachers was selected for the study. The findings of the study showed that technological challenges such as connectivity issues, coping up with new emerging technology, meeting  deadlines  and  multitasking  are  the  major  factors of  stress  for teachers. They find  it  difficult  to somewhat  keep  the balance between personal and professional life. On the other hand, the teachers are satisfied by the provided institutional support.