"The preponderance of evidence from psychological experiments is that alcohol decreases alertness and decreases efficiency for performing tasks," E. M. Jellinek has reported.
Results: FNZ led to psychomotor impairments and decreased alertness and attention; these effects were consistent with previous findings.
They include a relaxed feeling, relief from pain and anxiety, decreased alertness, respiratory depression (slowed breathing), impaired coordination, constricted pupils, nausea, and constipation.
Because systemic drugs cross the placental barrier, they can also affect the newborn, causing respiratory depression, decreased alertness, and abnormal reflexes.
Laboratory findings indicate that scheduled napping promotes waking function after normal sleep at night, and also counteracts decreased alertness and performance under conditions of sleep deprivation.
In the remaining cases, slips of attention (i.e. skilled-based errors), associated with decreased alertness and physical fatigue, were the most common unsafe acts leading to accidents and incidents.
Temporal abstinence from caffeine in habitual users results in the well-characterized withdrawal syndrome, consisting mainly of headache, fatigue, tiredness and decreased alertness.
They include drowsiness, dizziness, and decreased alertness and concentration.
Research shows that inadequate sleep can result in decreased alertness, lapses in attention, mistakes in judgment and a higher risk of accidents.
It is also associated with a number of concerns related to health, safety, and economic productivity: generally, the early afternoon, after most people have eaten lunch, corresponds to decreased work performance, decreased alertness, and a higher incidence of motor vehicle accidents.
