Author: Exuperist / Source: Neatorama
For humans, it is recommended to have at least eight hours of sleep each day. There are various proponents for sleep and its importance in our daily lives leading to increased productivity, better cognitive functioning, and an overall regulatory process that helps our body regenerate the energy it spent throughout the day.
But for other animals, sleep may not be necessary at all.Sleep is potentially costly to many animals, making them vulnerable to predators…
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