sleep / stress Flashcards
(25 cards)
nrem 1
time of drowsiness. brain waves and muscle activity begin to slow. image may appear
nrem 2
light sleep. brain waves and heart rate slow, body temp decreases
nrem 3
deep sleep. restorative and healing. breathing slows. difficult to be awakened.
may occur during nrem 3
bed wetting, sleep talking, walking, night terrors
rem sleep
irregular breathing, rapid eyes, paralyzed limbs, vivid dreams, increased heart rate
sleep dprivation
not enough sleep / low quality sleep
biological clock
circadian rhythm
stress
any circumstance that threatens wellbeing
Walter Cannon defined stress as
physical and psychological disturbances that threatened homeostasis
coined the term fight or flight
Walter Cannon
brain parts, systems, and glands involved in response to stress
amygdala, hypothalamus, nervous system, adrenal glands
chemicals that initiate fight or flight response
epinephrine (adrenaline) and cortisol
stressor
a force that puts perceived demands on the body, emotions, mind or spirit
physical stressor
pain, exercise, extreme heat or cold
psychological stressor
situations. eg. missing the bus
distress
negative. stems from acute anxiety / pressure
eustress
positive. motivates and challenges
acute stress
sudden danger, short period of time
chronic (long term) stress
ongoing situations. causes frustration or anxiety
traumatic stress
life-threatening event. induces fear and helplessness
stress vs anxiety
stress: response to external stimulus
anxiety: feeling. triggered internally or externally
resilience
seeing failure as a form of helpful feedback
external locus of control
outside forces beyond control determines their fate
internal locus of control
they control their fate