10 hours of sleep needed after CPTSD??

Basically my whole life has been somewhat traumatic. It has never been smooth until recently (still rocky but much better than before). As a result I can’t sleep until 2-4am and my body wants me to sleep for a minimum of 9 hours (ideal is 10). For work etc I have to wake up at 7am so functioning on 3-4 hours of sleep has been hell. I feel like my sleep routine is ruining my life but it wasn’t this bad until I had a huge traumatic event and i’m realising i’m still recovering from that?? Even on 6-7 hours of sleep Im so moody the whole day, unable to focus, depressed. When i’m on 9-10 hrs I could run a mile (not literally). Or maybe i’m lacking some vitamins? Has anyone else had any a similar experience and how did you fix it? I would love to sleep by 9pm and wake up at 6am but my body rejects sleep until the morning because it’s more ‘safe’ idk.