The state or condition of being restless; an inability to be still, quiet, at peace or comfortable.(noun)
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Use "restlessness" in a sentence
"Is there no excuse then for what they call my restlessness? ..."
"Among the more astute there was a certain restlessness, -- an impatience at the restraint of the traces, an indecisive quickness of movement, a sniffing of snouts and pricking of ears."
"I am hopeful that this means I will be well enough to climb tomorrow, because it's been four days since I exercised significantly, and restlessness is setting in."