Suggest Treatment For Feeling Lonely Along With Depression And Sleeplessness

Hi there; no mention of shift work here? I'm 53 female & work alternating shift where we work 2-3 (12 hour days) in a row then we have 1-3 days off and go into nightshift for 2-3 nights (12hour nights) I do everything I can to keep a routine & stick to all of the tips mentioned but even after 13 years of this pattern I struggle to get more than 4 hours sleep (nightshifts) & on the dayshifts & days off I sleep well the first night but my body doesn;t know the difference I wake up after 4-5 hours & cannot get back to sleep... I also have a family who have given up on trying to spend time with me & my friends have all but ditched me due to my trying to prioritize sleep.. it is a hard & lonely life (depression/blood suger issues, etc etc) but I cannot give it up as I have no skills/education to get other work (& in this town people are losing their jobs everywhere).... & I cannot get govt support as I'm defactoed with someone who doesn't really understand or care about my predicament & we are not in a situation that he can support me (can't afford mortgage & he has kids to support).. I'm really in a ditch here that I can't get out of.. would love to drive away to another place far away (permanant holiday) but cannot afford that either as might still have another 20 years to support myself ..