Lack of sleep is known to make a person paranoid. It is no wonder you act the way you do with lack of sleep. It will also add to your depression and/or could be part of your depression. There are many good medications to help with sleep, there are also great suggestions found on many websites about how to improve your sleep. Search for “sleep hygiene” , making those changes really do help. Don’t ignore it, sleep is essential. If you need help finding information message me, I am a nurse and have access to the information. Good luck
Try to engage in some physical/sports activity. Also, if you go to the gym, try using the sauna after. It's quite relaxing. Great sex could also help you get to sleep. It's true that one should have a good amount of sleep to feel great. Plus, you may have a lot of excess energy within you and you just can't find a proper outlet for them. Avoid the meds first, you won't really need them if you have a lot going on in your life. Try to find an engaging outlet for your energy. Sports... Gym... Dating... find something interesting to do.