Hello, I am finding it extremely difficult to relax when I am home alone, even during the day. I live with my partner so when he comes back from work I am ok but I am a student so I go to uni and study, I find myself jumping at noises and making sure the door is locked and I often feel like theres someone in the flat with me. I know its juat my imagination as the door isbalways locked nd we are not on the ground floor...if I am watching tv my mind tells me to look in every single room to make sure, storage spaces and wardrobes...I am unsure if this is a form of OCD. I have read up and it just says paranoia but I am not paranoid cause surely is have these thoughts even when my partner comes back. I try to ingnore thoughts like that and try to do like uni work and try to calm myself down. Heres an example today my bdoorbell went off at the same time my phone went off and I just had this crazy thoight someone might want to break in so I put the latch on the door and peeped through the hole and it was just the postman but I froze until he gone then I just didn't move as I didnt want to make a noise. I know it was an irritational. I was wondering what asvice I could get