Yawning may help you keep a cool head-literally, a new study suggests.

打哈欠也许可以帮你保持头脑清醒——一项新的研究如是说。

youdao

Yawning helps keep the brain cool, and the sinuses play a role in that process by acting as bellows, a new report suggests.

一份新的报道显示，哈欠能够帮助大脑保持凉爽，鼻窦在这个过程中所起的作用就像是风箱。

youdao

Yawning may help you keep a cool head-literally, a new study suggests. The findings might hold some hope for sufferers of insomnia, migraines, and even epilepsy.

打哈欠也许可以给头部降温——一项新的研究如是说。这个发现也许能给失眠、偏头痛甚至癫痫患者带来一些希望。

youdao