The phrase "a heightened time" is correct and usable in written English.
It can be used to describe a period characterized by increased intensity, urgency, or significance.
Example: "During a heightened time of uncertainty, the community came together to support one another."
Alternatives: "an intensified period" or "a critical moment".
The sun, which may appear frozen at its lowest noontime elevation for several days around the solstice, embodies a stillness that reinforces this heightened time of reflection and spiritual awareness.
Right now [Ichabod and Abbie] are there for each other in this incredibly heightened time in their lives.
Other than the fact that it gives some teachers the uncanny ability to act as human egg timers, I'm not sure we benefit much from this heightened time awareness.
In the same way, and in order to live in this modern world of arbitrarily heightened time expectations and information overload, we should learn to more frequently "Question External Expectations".
Mr. Stoecker said the idea was for people to enjoy the islands and, at the same time, gain a "heightened appreciation for the resources of the Sound and the need for better protection and stewardship".
Dissent is likely to be heightened this time, without the dampening effect of a coalition, and in the fever of an EU referendum debate.
N.F.C. is heightened under time pressure, with fatigue, with excess environmental noise — when a lot of information that is difficult to make sense of is coming at us at the same time — and when we feel that we need to give an opinion.
Underneath the flak jacket he will wear and the extra padding Warner says will be applied to his body, he will feel pain that will be heightened every time he is hit.
She said her main goal was to be a professional player, a desire only heightened by spending time as a junior player among the pros in Melbourne.
