‘Fringe’ Star John Noble — Suffering from ‘Sleeping Disorder’

John Noble — star of the FOX show “Fringe” — is suffering from a sleeping disorder which has affected the production of the show … our sources has learned.

Sources connected to the production tell our sources … 63 year old Noble has “not been sleeping well” and it”s taken a toll on the production of the show.

We”re told … earlier this week, producers decided to halt production on the show  for 2 weeks so John could get treatment for his condition. Production is currently scheduled to resume on August 7.