I notice I hold my breath whenever I concentrate and by the end of the day my whole body is tight and I have a headache but I cannot seem to focus any other way.
More people experience this than they realize.
Effort-based attention often involves unconscious patterns of physical tension that undermine the very presence we seek.
“Where Are You with Attention and focus — the science?”
If this sounds familiar, the Library can help you find the bigger picture.