I can'thave difficulty sleeping when i'm gonnaI need to wake up earlier than usual, and this (sadly) happened again.

Giving another suggestion on how you could word this.

This is gonnawill be my new routine in my life about 3 month in thefor approximately 3 months starting next wednesday.

I can't sleep when i'm gonnaell when I need to wake up earlier than usual and this keeps happend againg.

It sounds like this is a recurring event. I changed some words to make it sound a bit more natural. :)

This is gonna be the new routine in my lifefor about 3 month in thes, beginning next wednesday.

Wednesday sSyndrome

It happened again, I can't sleep when iI'm gonnasupposed to wake up earlier than usual and this happend again.

This is gonna be my new routine in my life for about 3 month in the next ws every Wednesday.

Welcome to wmy Wednesday sSyndrome!

I can't sleep when iI'm gonnaing to wake up earlier than usual, and this happened again.

This is gonning to be a new routine in my life in about 3 month in thes starting next wWednesday.

Welcome to wWednesday syndrome!