1. Periods and Functions of Sleep
... nutritional value and must therefore continuously eat in order to match their energy requirements, leaving less time available for sleep. The final assumption of the evolutionary theory is that sleeping behavior in animals is governed by behaviors relating to "predator avoidance," in other words how susceptible the animal is to predation. This aspect of the evolutionary theory ... attributed to an animals need to remain immobilized during the night to avoid predation. However evolutionary theories of sleep have also been challenged, in particular by studies which observe animals sleepin...
- Word Count: 3321
- Approx Pages: 13
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- Grade Level: Graduate