atonia

…tone in REM sleep, called atonia, a temporary paralysis of skeletal muscles, are distinct. Atonia occurs in gravity-bearing muscles that are not needed for breathing or for eye movement. Some researchers think that this paralysis occurs to prevent individuals from acting on their dreams. The presence of dreams during REM…

…characteristics of which include muscle atonia (extreme relaxation and inability to contract) and vivid dreaming. Muscle paralysis during sleep is considered beneficial in that it prevents individuals from physically acting out dreams. However, as individuals regain consciousness, there can be temporary overlap with REM-sleep atonia. During this state, the amygdala,…