Study of sleeping fur seals provides insight into the function of REM sleep

Automatic TRANSCRIPT

Sleep secrets from first heels i'm bob hershon in this is science update ma'am or rapid eye movement sleep comes right after our deepest sleep periods our brains warm and we experience vivid dreams many scientists believe rim helps us learn or regulates mood but by studying the unusual sleep patterns of first heels ucla researcher jerome segal and his colleagues have found a simpler explanation they argue in the journal current biology that remm activity heats our brains so we're less groggy gets the brain fully functional in preparation for waking first heels have sleep cycles just like us when they're on land but while living it c they sleep with just half their brains at a time to stay alert and keep from drowning and they then stop having rem sleep why seagull says that since they're never fully unconscious first seals at sea don't need the kick start that remm otherwise provides i'm bob hershon for triple as the science society.

Coming up next