Week 4

Question 1

What is sleep?

Answer 1

Sleeping is a recurring, reversible neuro-behavioural state of relative perceptual disengagement from unresponsiveness to the environment

Question 2

What are the different stages of the sleep cycle

Answer 2

Stage1- is essentially when a person falls asleep
Stage 2- is when the body enters a more subdued state
Stage - is a deeper sleep which is harder to wake up someone up from during this phase.
REM- rapid eye movement sleep, sees brain activity starting to pick up, similar to levels seen while a person is awake

Question 3

What is the purpose of sleep

Answer 3

Avoid exhaustion, and sleep functions for the recovery of the nervous system from synaptic use
Allowing for bodily recovery and growth, it can also benefit the immune system and other key bodily processes.

Question 4

What does REM stand for

Answer 4

Rapid eye movement

Question 5

Which stage of the sleep cycle does vivid dreaming happen

Answer 5

REM stage

Question 6

What is circadian rhyt

Answer 6

Circadian rhythm is the 24 hour internal clock in our brain that regulates cycles of alterness and sleepiness by responding to light changes in our environment