Ive been heavily passing out at like 9pm and able to sleep until 6-7am

This is not normal for me. I’m worried something weird is happening? Its been almost 2 weeks of this. I usually stayed up till like 11-11:30. Now im SO exhausted by 9pm. I take vitamin d and all that, my bloodwork was fine a year ago. (I am waiting for my period tho its 2 days late) which is okay sometimes the cycle switches up lol. But is anyone else experiencing this early exhaustion?