Insects do not seem to exhibit REM sleep. ... Giraffes, for example, only need to
lie down for REM sleep for ...
Dec 18, 2007 ... Still, the question remains: Why do we need sleep at all? ... for example, what
happens when humans or other animals are deprived of sleep.
Oct 19, 2013 ... Humans need sleep; everybody knows that without it, we get cranky, a bit ... for
our body's mental street-cleaners to come out and do their work.
Although we do not have a definitive answer to the question “why do we sleep? ...
In the same way as a feeling of hunger reminds us of the basic human need to ...
Humans must sleep. People can survive longer without food than without sleep.
For infants, the requirement is much higher (about 16 hours a day), and
teenagers need on average about 9 hours of sleep. As people age, they tend to
Sleep is one of our most basic human needs. ... “as far as I know, the only reason
we need to sleep that is really, really solid is because we get sleepy.” As lying ...
What we do know is that sleep is an anabolic, or building, process. ... One of the
ways we have of understanding why we need to sleep so much is to look at what
www.ask.com/youtube?q=Why Do Humans Need Sleep?&v=3mufsteNrTI
Sep 28, 2015 ... and how did it evolve in the first place? Tweet ⇒ http://bit.ly/OKTBSsleep Share
on FB ⇒ http://bit.ly/OKTBSsleepFB ↓ More info and sources ...