The capacity to stop, recover and allow enough space for attention and sensation to reorganise, without requiring exhaustion to become the price of permission.
Rest & restoration is the capacity to stop doing long enough for resources to return.
Rest can involve sleep, quiet, reduced demand, play, solitude, contact, movement or simply not producing. What restores one person may not restore another, and what worked yesterday may not be enough today.
This capacity includes mental spaciousness and enoughness recognition: noticing when the mind has room again and when an experience has actually been sufficient rather than automatically continuing because stopping feels unfamiliar.
The glossary entries on Rest, Recovery and Pacing give useful distinctions. Make a Rhythm, Not a Sacrifice explores how continuity can include recovery instead of treating it as interruption.
Pleasure Is My Medicine brings restoration into contact with receiving, satisfaction and the possibility that enough can be felt rather than merely declared.