16._Sleep_Slides_for_Notetaking - 8/26/2010 Sleep, Salvador...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
8/26/2010 1 Sleep , Salvador Dali 1 Put away your things Close your eyes 2 Review the functions of sleep What does sleep accomplish in humans and other species? Consequences of sleep deprivation What happens when we start accumulating a sleep debt? Mechanisms underlying sleep Best practices for promoting healthy sleep 3
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8/26/2010 2 Hibernation : Extended inactivity; low body temperature; little cortical activity; slow waking Torpor: Periods of inactivity, still slow wake times Sleep: Varied set of states usually involving reduced activity and restoration Reduced sleep during migration: Sparrows sleep habits change entirely for these periods Post-partum constant activity: Lasts for weeks after birth in killer whales 4 3 20 hours 0 8 hours of REM Long sleeping species also sleep more deeply How might we explain the variability? There is great variability in sleep needs across mammals, which is difficult to explain if sleep serves a universal function 5 Siegel, 2009 Reduce energy consumption (up to 25%) Reduce risk of injury Reduce predation risk Evolutionary forces act to balance costs
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

16._Sleep_Slides_for_Notetaking - 8/26/2010 Sleep, Salvador...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online