This might be The Worthing SagaThe Worthing Saga (1990) by Orson Scott Card. It consists of one novel and a number of short stories, which might explain why you recall
different time periods and perspectives from within the "empire".
(I leaned heavily upon Wikipedia to augment my meager memory).
the empire is built based on a technology that allows suspended animation animation
Society is based on "lengthening" one's life by going into suspended animation using a drug called Somec. TheThe more valuable one is, the more downtime they get for the uptime, thus stretching their existence longer.
There was a story focused on an artist
Skipping Stones"Skipping Stones" is about an artist too poor to sleep with Somec, but whose art benefits from his living a normal life.
one focused on a queen (leader of the empire?) who is only brought out of of suspended once every x (100? 400?) years to see the progress and approve approve things.
And"And What Will We Do TomorrowTomorrow" involves Abner Doon, one of the protagonists, meeting the Empress at her awakening - and admitting he's about to tear the empire apart. She is only awake 1 day out of every 5 years.
The was also the emergence of telepathic humans that threaten the empire empire and are destroyed
Another protagonist, Jason Worthing, is one of the few telepaths who survived the Empire's purge of them. When Abner Doon broke the empireEmpire, he sent Jason off who then fathered a super-race of telepaths and telekinetics; at a later date, they judge themselves unworthy and accept destruction. This story is told in The"The Worthing ChronicleChronicle".
A reality star recording their entire life and selling it being talked into into "one more day" to be set for life.
Lifeloop"Lifeloop" deals with a reality show actress living a single show from wake to sleep so deeply that she rejects a suitor (thinking he was acting), but later wakes to find he was not.
A video game player having his account/status ruined while he is in suspended suspended animation
In Breaking"Breaking the GameGame" Abner Doon famously took over a master gamer's positions during the gamer's downtime and managed to destroy a near-perfect winning position, as practice towards his goal of dismantling the sleep-based Empire. ThisThis short story was the answer to this question here.