Yawning, a universal reflex, is characterized by a deep inhalation and short exhalation. While often linked to tiredness, its ...

Yawning is a complex reflex that may be triggered by changes in state of being, but its purpose is still unknown.

A GP explains the main reasons why we yawn – including the factors that can lead to excessive yawning (apart from tiredness). Welcome back to Just Curious, Strong Women’s weekly series ...