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Sleep during transcendental meditation.
Science (New York, N.Y.)
|January 23, 1976
Summary
Transcendental meditation practitioners entered various sleep stages during sessions. Electroencephalogram data revealed diverse states, challenging the idea of a single, unique meditation consciousness.
Area of Science:
- Neuroscience
- Psychology
- Sleep Science
Background:
- Transcendental meditation is a widely practiced technique.
- The precise physiological and neurological correlates of meditation remain an area of active research.
- Previous research suggests meditation may induce unique brainwave patterns and altered states of consciousness.
Purpose of the Study:
- To investigate the sleep stage involvement during transcendental meditation practice.
- To compare electroencephalogram (EEG) patterns during meditation with those during natural sleep (naps).
- To determine if transcendental meditation induces a single, unique state of consciousness.
Main Methods:
- Five experienced transcendental meditation practitioners participated in the study.
- Electroencephalogram (EEG) recordings were taken during meditation sessions.
- EEG data during meditation were compared with EEG data from naps taken at the same time of day.
Main Results:
- Practitioners spent significant time in sleep stages 2, 3, and 4 during meditation.
- The duration of time spent in each sleep stage varied considerably between sessions and subjects.
- EEG patterns during meditation exhibited a range of states, not a singular, uniform pattern.
Conclusions:
- Transcendental meditation practice can involve transitions into various natural sleep stages.
- The observed variability in sleep stages and EEG patterns during meditation contradicts the notion of a single, unique meditative state.
- Meditation may encompass a spectrum of physiological and conscious states rather than a monolithic experience.
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