Enzyme in saliva linked to sleep deprivation.

You might think it’s obvious when someone is sleepy: drooping eyelids, a wide yawn and a nodding head tend to give it away. But researchers have added another layer of precision to the picture, by finding an enzyme that increases with sleepiness.

Read the story here.

Enzyme in saliva linked to sleep deprivation.

You might think it’s obvious when someone is sleepy: drooping eyelids, a wide yawn and a nodding head tend to give it away. But researchers have added another layer of precision to the picture, by finding an enzyme that increases with sleepiness.

Read the story here.