Menu
All
All
Titles
TV Episodes
Celebs
Companies
Keywords
Advanced Search
Watchlist
Sign In
Sign In
New Customer?
Create account
EN
Fully supported
English (United States)
Partially supported
Français (Canada)
Français (France)
Deutsch (Deutschland)
हिंदी (भारत)
Italiano (Italia)
Português (Brasil)
Español (España)
Español (México)
Use app
Back
Cast & crew
IMDbPro
All topics
Company credits
The Sleep Files: Altered States
Jump to
Production Companies (2)
Distributors (1)
Other Companies (4)
Edit
Production Companies
Twenty Twenty Television
Discovery Communications
(in association with)
Distributors
Channel 4 Television
(United Kingdom, 1998)
(TV)
Other Companies
The Minnesota Regional Sleep Disorders Center
(The Minnesota Regional Sleep Disorders Centre, thanks)
Sleep Disorders Center, Columbia Presbyterian
(The Sleep Disorders Centre, Columbia Presbyterian, New York, thanks)
Sleep Disorders Svc, Pathfinder Mental Health
(The Sleep Disorders Service, Pathfinder Mental Health NHS Trust, thanks)
The March of Dimes Foundation
(thanks)
Contribute to this page
Suggest an edit or add missing content
Top Gap
What was the official certification given to The Sleep Files: Altered States (1998) in the United Kingdom?
Answer
See more gaps
Learn more about contributing
Edit page
More from this title
More to explore
Recently viewed
Please enable browser cookies to use this feature.
Learn more.
Back to top