1.5 Sleep

Front

Consciousness

Back

The state of being aware of and able to think about one's own existence, thoughts, and surroundings.

Front

Circadian Rhythm

Back

The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Front

Types of Consciousness

Back

Different states of awareness, including sleep and wakefulness.

Front

Disruptions to Circadian Rhythm

Back

Changes in the natural sleep-wake cycle, often caused by factors like jet lag.

Front

Sleep Stages

Back

The different phases of sleep, characterized by distinct EEG patterns.

Front

NREM Stages 1-3

Back

Non-rapid eye movement sleep stages, ranging from light to deep sleep.

Front

Hypnogogic Sensations

Back

Sensory experiences that occur just before falling asleep.

Front

REM Sleep

Back

Rapid eye movement sleep, also known as paradoxical sleep, where dreaming occurs.

Front

Dreaming

Back

The experience of images, ideas, emotions, and sensations during sleep.

Front

REM Rebound

Back

The increase in REM sleep following a period of REM sleep deprivation.