Previous studies were help in relevance of eye movements when dreaming occurs. To test if REMs are related to dreaming.
Subjective reports of dreams are needed to be objectively related to physiological aspects and phenomena
The need for method for determining with precision the dreaming activity in relation with physiological variables/behaviours
Recent studies focused on the cognitive and physiological aspects of dreams. Cognitive: how dreaming is a tool in order to deal with everyday life. Physiological: describes dreaming as a consequence of random neuron activity that create a random picture that we then put a meaning to.
During one night, an average sleeper passes through different levels of sleep in a cylcic fashion. Light sleep, deeper levels and deep sleep.
Freud believed that dreams are the gate to the unconscious mind. He believed that the mind reflects the wants and needs that would otherwise upset or frustrate the dreamer.