sleep

Question 1

sleep as a psychological construct

Answer 1

concept of a construct that is used to describe psychological activity or pattern that is believed to exist or occur but cannot be directly observed

Question 2

conciousness

Answer 2

awareness of thoughts, feelings, perceptions and surroundings at any given moment

Question 3

REM

Answer 3

• rapid eye movement
• increased activity of the brian and internal organs
• irregular functions of heart, breathing and metabolic rates
• 20-25% of sleep is spent in REM
• active brain and not so much body activity
• more regular and vivid dreams
  BETA WAVES

Question 4

NREM

Answer 4

• non rapid eye movement
• breathing, heart and metabolic rates all become regular
• little bit of an active body
• 75-80% spent in NREM

Question 5

Stage 1

Answer 5

• relatively light sleep
• physiological changes indicating lowering levels of bodily arousal
• as muscles relax this increases possibility of muscle jerks
• ALPHA waves , 5-7 mins

Question 6

Stage 2

Answer 6

• period of similarly lighter sleep
• continue of bodily arousal levels continue to drop
• when we transition to stage 2 our body endures sleep spindles - electrical outbursts of activity, signifying the move to stage 2
• THETA WAVES - 25 MINS

Question 7

Stage 3

Answer 7

• period of deep sleep
• bodily levels slow to their lowest levels and eye movements begin to discontinue
  DELTA WAVES

Question 8

affective

Answer 8

• increased irritability and mood swings
• increase in negative emotions
• reduced ability to cope with stress

Question 9

behavioural

Answer 9

• sleep inertia (disorientation after waking)
• reduced efficiency in completing tasks
• increased likelihood of engaging in risk taking behaviours

Question 10

cognitive

Answer 10

• reduced concentration
• irrational and illogical thoughts
• impairment of short term memory

Question 11

light

Answer 11

having dim light in a room before sleep regulates sleep wake cycle as it signifies superchiasmatic nucleus to produce melatonin from pineal gland to promote sleep
Further more blue light promotes wakefulness and tells super chiasmatic nucleus to cease melatonin from being produced

Question 12

superchiasmatic nucleus

Answer 12

located in the hypothalamus in the brain in which regulates the sleep wake cycle by receiving internal and external cues