Sleep Paralysis
Sleep Paralysis is a temporary condition where the body cannot move while consciousness is awake during sleep onset or awakening. May be accompanied by hallucinations and fear. Culturally associated with 'the nightmare' or incubus.
مصطلحات ذات صلة
REM Sleep
Rapid Eye Movement — the sleep stage characterized by rapid eye movements. The majority of dreams occur during this phase. The brain is highly active while the body experiences temporary paralysis.
Night Terror / Sleep Terror
A sleep disorder occurring during deep sleep, accompanied by intense fear, screaming, and sometimes sleepwalking. Usually not remembered. Folk traditions describe it as an entity pressing on the chest.
Hypnagogic Imagery
Visual, auditory, or bodily hallucinations experienced during the transition between wakefulness and sleep. Associated with creative ideas and artistic inspiration.
Lucid Dream
A conscious dream state where the dreamer is aware they are dreaming and can sometimes direct the dream's flow. Studied from ancient Tibetan tradition to modern neuroscience.
NREM Sleep
Non-REM sleep stages. Consists of three phases: light sleep, medium-depth sleep, and deep sleep. Dreams can occur in these stages but are typically less vivid and shorter.
Hypnopompic Imagery
A semi-dream state experienced during the transition from sleep to full wakefulness. The awakening version of hypnagogic imagery; dream remnants blend with reality.