Good-Person
Captain Junkie
As you're work only online, with having insomnia you don't have to worry about it affecting how you work in the office. By working at home or from home, there will be a time when your body will want to shutdown. If this happens, don't try to stop it. Stop everything you're doing and sleep it off.
I have worked an offline job around two years ago. At that time, I never felt this problem because I used to work a night shift. I do not feel sleepy at night and this is one of the main problems. I feel sleepy during the day time when I am supposed to work.