fret·ful 
/ˈfrɛtfəl/ adjective
/ˈfrɛtfəl/ adjective [more fretful; most fretful] 1 : upset and worried
▪ a fretful child 2 : not relaxing or restful
▪ He fell into a fretful sleep.
▪ a fretful child
▪ He fell into a fretful sleep.
— fret·ful·ly adverb
▪ He was sleeping fretfully.
▪ He was sleeping fretfully.
— fret·ful·ness noun [noncount]
▪ the child's fretfulness
▪ the child's fretfulness
