Questions with the keyword 'yawn'

• why does reading the word yawn make me yawn by 846utec47 to Paul, MarthaNari, Hannah, Alison Comments: (No comments so far )
• when we yawn why do our eyes water ? by zahra to Jonny Comments: (No comments so far )
• Why is yawning infectious by poppy to Paul, MarthaNari, Jonny, Hannah, Alison Comments: (No comments so far )