If I go to sleep now, I think I'll oversleep and be late for work.
If I fall asleep now, I might sleep through my alarm and not make it to work on time.
どちらも「今寝たら、寝過ごして仕事に遅れるかもしれない。」という言い方です。
1) If I go to sleep now, I think I'll oversleep and be late for work.
2) If I fall asleep now, I might sleep through my alarm and not make it to work on time.
「寝過ごす」は
oversleep
sleep through one's alarm
と言います。
「仕事に遅れる」は
be late for work
not make it to work on time
と言えます。
ご参考になれば幸いです！
日本 
