My morning.

My day begins when the alarm clock rings. (Or..)

My day begins with a ringing alarm clock.

I stand up and go clean my teeth. (Technically correct but not common to say this way. More common ...)

I get up and go brush my teeth. (Or....)

I wake up and brush my teeth.

I bring myself near the mirror. (This is a correct sentence but is lacking an action that the listener ir reader would be expecting to come next.... )

I look at myself in the mirror.(use myself instead of herself)

I eat, get dressed and then go to work.

My morning.

I sit close to my mirror while I brush my hair.

My morning.