bhmnscmm@lemmy.world to Today I Learned@lemmy.worldEnglish · 1 year agoTIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.en.wikipedia.orgexternal-linkmessage-square50fedilinkarrow-up1583arrow-down110cross-posted to: todayilearned@lemmit.online
arrow-up1573arrow-down1external-linkTIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.en.wikipedia.orgbhmnscmm@lemmy.world to Today I Learned@lemmy.worldEnglish · 1 year agomessage-square50fedilinkcross-posted to: todayilearned@lemmit.online
minus-squareSwednecklinkfedilinkEnglisharrow-up2·1 year agoIt seems most sensible to me that it serves a bunch of uses: clearing the lungs, alerting yourself and others that you’re tired and probably need someone else to take over, social bonding, spooking predators…
It seems most sensible to me that it serves a bunch of uses: clearing the lungs, alerting yourself and others that you’re tired and probably need someone else to take over, social bonding, spooking predators…