The phrase "a certain restlessness" is correct and usable in written English.
It can be used to describe a feeling of unease or agitation that is not easily defined or pinpointed.
Example: "As the meeting dragged on, I felt a certain restlessness creeping in, making it hard to focus on the discussion."
Alternatives: "an underlying unease" or "a vague agitation".
It can lead to a certain restlessness.
But with this rush of fiftysomething creativity has come a certain restlessness.
Holmes experienced a certain restlessness in law school, finding the tradition of the law as presented in an uninspired curriculum to be stagnant and narrowly precedent-centred.
Regionalism, an understanding of China's many culinary traditions, may be making headway in the UK, but Wong has a certain restlessness.
Such innovations are no longer perhaps just for people "like them", but for people "like us".Jazeera StormIt is not just inadvertent imagery that can induce a certain restlessness.
More generally, a peace is made likely by the history of the 440s and 430s, which records no more overt Athenian warfare against Persia and a certain restlessness inside the Athenian empire.
But in Ibn Khaldūn's case two additional factors might be suspected a certain restlessness and a capacity to make enemies, which may account for his constant complaints about the "intriguers" who turned his employers against him.
In many ways both Johnson and Cravan shared a certain modernist restlessness — lives striving to reach a kind of terminal velocity that might outrun the fate their births had decreed for them.
Indeed, each of his career moves was animated by a certain professional restlessness, a discomfort with safety and security.
Alvar Aalto's relationships with architectural modernism can best be understood in terms of two intersecting trajectories: the large historical transformations caused by modernization (in this case, the birth of nation states on one hand and the increased internationalization of societies on the other) and the particularities of his own persona (certain restlessness and malleability).
