Morning anxiety

Hello everyone. After my decision to go back to uni and take a second bachelor degree in order to finally follow my dream of becoming a scientist, I decided to start waking up very early in the morning so that I have time to study. I study and I work part time so I really need more time to do my things. The problem is that every time I wake up early I feel extremely anxious and this causes me to waste a lot of time.. Do you have any idea about the reason why this is happening or any kind of suggestion? Thank you in advance for the support