Nouns

(n)edginess, uneasiness, inquietude, disquietudefeelings of anxiety that make you tense and irritable
(n)malaise, unease, uneasinessphysical discomfort (as mild sickness or depression)
(n)self-consciousness, uneasiness, uncomfortablenessembarrassment deriving from the feeling that others are critically aware of you
(n)disquiet, unease, uneasinessthe trait of seeming ill at ease
(n)restlessness, uneasiness, queasinessinability to rest or relax or be still