c.listening to the chirping of birds
d.reading lines of new information and discovery.
e.composing lines of song or poetry

"And, when coupled with coping strategies that emphasize optimism over pessimism, an ability to accept and appreciate each of life's fleeting moments, the ability to honor and accept emotions, and the capacity to effectively identify and question core beliefs, meditation becomes part of a powerful set of tools capable of heightening individual and collective consciousness, happiness and peace"

I personally benefit by an instant lowering of blood pressure down to normal following the Silva Long Relax every single time I use it. Not to mention the bliss that is felt through centering when at level.