I'm experiencing this right now. My first 3 semesters or so, classes before 10am were both difficult to go to and difficult to get anything out of. Yet without

I'm experiencing this right now. My first 3 semesters or so, classes before 10am were both difficult to go to and difficult to get anything out of. Yet without changing any of my habits, getting up earlier is far easier. I'd lean towards this being due to maturing, but it's naturally quite difficult to say when my sample size is myself.