Tonight I sleep before! Tomorrow I have to work a long day 4 early next. I may not have had time to finish my work if I'm rushing to send messages to you as soon as possible.
Tonight I sleep before Tomorrow I have to work early in the morning for four consecutive days. I probably would not have if I finish work, I'll send to you immediately.
Tonight I slept before. I have to work tomorrow morning 4 long days. I may not have the time to me if I finished the work I will send message to you immediately!