New technology includes blind-spot alerts, lane-departure steering-wheel vibrators, an alertness assessor, a rear camera, automatic headlight dipping and more.
Short naps have also been shown to be good for adults – improving alertness and reaction times.
I'm of an age to call someone roughly other like Giggs "pop", but he more or less inhabits some highly specified area that flickers in and around hip-hop and gangsta rap and the knotty domestic deviation, grime, that added certain ragged home truths and electronically quarried sonic grit to grabby, waggish hip-hop alertness.
If you really want the state of relaxed, stress-free alertness that Allen calls "mind like water", though, scribbling the occasional list won't cut it.
He believes that the electrical stimulation causes a region in the brain stem called the locus caeruleus (Latin, ironically, for "blue place") to flood the brain with norepinephrine, a neurotransmitter implicated in alertness, concentration and motivation that is, the mood states missing in depressed patients.
The author names two fundamental characteristics of successful entrepreneurs: alertness to opportunities in the market; and the ability to amass the resources (human, capital and physical) to exploit such opportunities.
Meanwhile, Targacept, a firm based in Winston-Salem, North Carolina, is looking at another group of nerve-cell proteins, the nicotinergic receptors, whose activation has been shown to increase alertness and may fend off cognitive decline.Another technology, known as transcranial magnetic stimulation (TMS), also holds out the promise of enhancement.
Many sequences were associated with mental alertness, insulin regulation and DNA stability, confirming results from smaller studies and suggesting areas for life-prolonging research.The researchers also developed a statistical model to forecast longevity.
While popping amphetamines might help with alertness, most passengers would probably just prefer the person at the helm to be well rested.
Over time, suggests Mr Bueermann, a justified alertness to danger may have warped into a belief that the swift use of force is the only thing keeping cops safe.
"We have got to understand that all our lives the danger, the uncertainty, the need for alertness, for effort, for discipline will be upon us . . .
