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The Sleep Files: Altered States
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289K

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Production countries
GBUnited Kingdom
Origin countries
USUnited States
Language
English
Production
Twenty Twenty Television, Discovery Communications
Budget
N/A
Revenue
N/A
Data source
TMDB
Updated
23 Aug, 2026
IMDbTMDB
Production countries
GBUnited Kingdom
Origin countries
USUnited States
Language
English
Production
Twenty Twenty Television, Discovery Communications
Budget
N/A
Revenue
N/A

The Sleep Files: Altered States

Released Documentary
23 Jul, 1998 1h
 

The Sleep Files: Altered States

Released Documentary
23 Jul, 1998 1h
 

Directed by Joseph Bullman

A documentary about sleep paralysis

Directed by Joseph Bullman

A documentary about sleep paralysis

Where to watch

Cast & Crew

Nigel Anthony

Self - Narrator (voice)

84 yrs

Rosalind Cartwright

Self - (as Dr Rosalind Cartwright)

Denise Corke

Self - Michel Corke's Mother

Michel Corke

Self (archive footage)

Penny Corke

Self

Floyd S. Cornelison, Jr., M.D.

Self (as Dr Floyd Cornelison)

William Hechter

Self - Defence Lawyer

Neil Kavey

Self (as Dr Neil Kavey)

Charles T. Tart

Self (as Dr Charles Tart)

89 yrs

Mark Mahowald

Self - (as Dr Mark Mahowald)

Ken Martin

Self (as Dr Ken Martin)

Harvey Moldofsky

Self (as Dr Harvey Moldofsky)

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