In humans, sleeping on the left side is said to be beneficial for heartburn: https://www.health.harvard.edu/diseases-and-conditions/whats-the-best-sleep-positio

In humans, sleeping on the left side is said to be beneficial for heartburn: https://www.health.harvard.edu/diseases-and-conditions/whats-the-best-sleep-position-to-combat-heartburn https://www.health.harvard.edu/diseases-and-conditions/whats... I wonder if similar digestive benefits might be at play in cats, instead of or in addition to the paper's proposed explanation.