PSY3320 Lecture Notes - Lecture 6: Non-Rapid Eye Movement Sleep, Sleepwalking, Triglyceride
15 Oct 2018
School
Department
Course
Professor
Document Summary
Week 6 sleep loss, sleep disorders and their relationship with obesity. Sleep survey in the us found between 1960 and 2000: higher % of people who are overweight/obese and decline in mean sleep duration > not necessarily linked but led to research investigating the link. Consensus statements from the us about sleep: healthy adult needs 7-9 hours of sleep > sleeping less than this can lead to health outcomes including weight gain and obesity (patel & hu, 2008) Ghrelin (hormone that increases appetite) and leptin (hormone that suppresses appetite) Spiegel et al (2009) > participants given 4 hours or 10 hours in bed for 2 days. 10hr group had higher levels of leptin and lower levels of ghrelin than the 4hr group. Spiegel et al (2009) > also looked at glucose tolerance and insulin sensitivity. Those who are fully rested have higher glucose tolerance and insulin sensitivity than those who"d slept 4hrs/night for 5days.
