1.5 Sleep

Question 1

activation-synthesis hypothesis

Answer 1

a hypothesis that explains dreams as a product of cortical interpretation of random neural activity rising from the brainstem (specifically the pons).

Question 2

circadian rhythm

Answer 2

he biological clock; regular bodily rhythms that occur on a 24-hour cycle.

Question 3

consciousness

Answer 3

our awareness of ourselves and our environment.an organism’s awareness of something either internal or external to itself.

Question 4

during all stages of sleep, the mind and brain are working to process new memories, consolidating them into long-term storage and integrating recently acquired information with past experience.

Answer 4

consolidation theory

Question 5

bizarre experiences, such as jerking or a feeling of falling or floating weightlessly, while transitioning to sleep.

Answer 5

hypnagogic sensations

Question 6

difficulty in initiating or maintaining a restorative sleep, which results in fatigue.

Answer 6

insomnia