i have my doctors appointment today at 11 but i figured ill ask y'all anyways. since last Tuesday,…

i have my doctors appointment today at 11 but i figured ill ask y'all anyways. since last Tuesday, no matter if i go to bed at 9pm or midnight i keep waking up at 5am or earlier. if my mind knows that i have to be up at a certain time & my alarm is set, i can't fall back asleep. yesterday i slept until 9 surprisingly but last night i went to bed at 1:30am and have been awake since 4:40 because i know my alarm is just going to wake me up at 9 anyways.

what can i do to sleep throughout the night? i feel like im going crazy.