2
votes
1answer
59 views

Do insomniacs yawn?

According to wikipedia, the jury is still out on the function a yawn serves. The article referenced above however writes to say Yawning most often occurs in adults immediately before and after ...
0
votes
1answer
90 views

Are humans more aggressive during a full moon? [closed]

Is it true that we are more agressive during the night when there is a full moon? If true, could this be a remnant from times where we needed to hunt for our food and so could see more at night when ...