I'm not sure what you are trying to say here, but you could reword it to say "I slept through the morning." or "I slept during the morning." In a literal use of the sentence you give, you would use past.I slept past morning.
I have HYDRAULIC feet in the morning.
There wan a gridlock this morning
a good sentence to use for journalist is: The journalist was featured on the news this morning.
I(subject) would go(verb) to work(object) in the morning.
He did a dress rehearsal, which was open in the morning.
anna was jostled in the morning crowd
he ate three bowlfuls of cereal this morning.
when my dad gets in the morning he is very peeish
i was very upcoming this morning when i saw a bird
i will rekindle the fire when we get up in the morning.
the sun always is uprising in the morning.