Psychology 2040A/B Lecture Notes - Lecture 5: Pacifier, Critical Role
18 Dec 2017
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Plays a critical role in brain development and physical development. Sleep regularity (or lack of) is a major concern for parents. Newborns: 16-17 hours/day: over time they sleep less but for longer periods. 3-5 weeks old: longest period asleep is at night. 3-4 months: sleeps through the night: in north america this occurs around 3-4 months, but in rural africa it occurs much later. Rem= rapid eye movement: eye and muscle jerks, irregular hr and breathing. Rem sleep consists of: 8 of 16 hours for newborns, 2 of 7 hours for adults. Co-sleeping: mom and baby sharing same bed or bedroom: very controversial, closeness vs self-reliance/independence. Same bed: can be very dangerous, especially under 11 weeks old. Same bedroom: can be beneficial during first few months: protective against sids. Sids: sudden infant death syndrome, caused by sudden cessation of breathing, decreased by 50% in the last decade, reducing the risk:
