Psychology of Sleep

Regular patterns of physiological, behavioural or cognitive activity ...

sleep-waking cycle

more than 24 hours

less than 24 hours

internal body clocks

external stimuli

small group of neurons in the hypothalamus of the brain

• exogenous

• endogenous

• suprachiasmatic nucleus

• pineal gland

Investigation the effects of damage on the SCN on circadian rhythms

• Stanley Milgram

• Stephan and Zucker

• Baddeley and Hitch

• Lev Vygotsky