restlessness
uneasiness
queasiness
inability to rest or relax or be still
disquiet
unease
the trait of seeming ill at ease
self-consciousness
uncomfortableness
embarrassment deriving from the feeling that others are critically aware of you
edginess
inquietude
disquietude
feelings of anxiety that make you tense and irritable
malaise
physical discomfort (as mild sickness or depression)