Good to see the benefits listed succinctly, with references to the evidence - thanks.

However I must take issue with your admonition to avoid lying down. I have never felt sleepy or gone to sleep when meditating lying on my back, whether on the floor after a strenuous yoga workout (pre-illness) or lying on my bed, which is where I often meditate these days.

Everyone's different. Just experiment with what works best for you. And sometimes sleep can be the desired outcome of meditation - clearing the mind of anxiety in order to get to sleep more easily.