alertness


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References in classic literature ?
It is strange, then, that she never recognised you just now," he retorted, with forlorn alertness.
There was nothing of the customary alertness in the manner of our mistress, and, to my surprise, she even showed the customer one or two pieces of much inferior quality, before we were produced.
One morning, about this time, Fanny having now been nearly four weeks from Mansfield, a point which she never failed to think over and calculate every day, as she and Susan were preparing to remove, as usual, upstairs, they were stopped by the knock of a visitor, whom they felt they could not avoid, from Rebecca's alertness in going to the door, a duty which always interested her beyond any other.
The Crofts took possession with true naval alertness, and were to be visited.
Zeena had an air of unusual alertness and activity.
A certain alertness seemed to have deserted her usually piquant face.
The only change in it that they could notice was an accession of alertness.
Scientists have come up with a formula that can tell them when to expect a daytime "dip" in alertness and when they are most likely to feel alert, information that could be useful when planning the best time to hold crucial meetings or tackle difficult jobs.
It's a "good stress," a state of heightened physical and mental alertness, a type of emotional high that intensifies and can thus enhance the performance.
Recent studies show it helps lower blood pressure and improves mental alertness.
Tiredness should be reduced as circulating levels of adrenaline will increase mental alertness.
Although one drink would allow you to easily pass a breath test, combined with a dip in alertness in the afternoon, it could lead to increased danger of accidents.