Why is sleeping, in which the conscious mind/brain is asleep, categorically more restful and recuperative to the body than merely lying down? Read More ›
Researchers have detected something like REM (rapid eye movement) sleep — which is associated with dreaming in humans — in jumping spiders. Read More ›
Rapid eye movement may indicate neural activity, but dreaming for me implies a conscious awareness of the dream state, which I consider as unlikely in spiders. Read More ›
An international team reasoned there had to be a purpose for sleep. In one of the largest datasets ever collected, they believe they found two functions. Read More ›