Just slowly go to bed earlier every day. Set your alarm for your go-to-bed time. Read a book if you can't sleep, but not on a bright-screened device. I used

Just slowly go to bed earlier every day. Set your alarm for your go-to-bed time. Read a book if you can't sleep, but not on a bright-screened device. I used to be such a nighthawk that I'd be waking up daily at 7 pm. Getting old naturally fixes that too.