Evolutionary theory of sleep

HideShow resource information
  • Created by: Njsmith1
  • Created on: 07-05-14 21:05

Ecologist theories propose that sleep is necessary to keep animals inactive when they do not need to engage in avtivities essential for their survival. 
Meddis argues that sleep is important in order to be protected against predators. These animals in danger of predators sleep less than predators to remain alert.

Pilleri - Research support - Dolphins in the River Indus are in constant danger from floating debris so only sleep for a few seconds at a time
Mukhametov 1984 - Studdied bottlenose and porpoise dolphins - They are able to switch off one of their cerebral hemispheres at a time enabling them


No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Sleep resources »