sleep deprivation is a condition of not having enough sleep it can be either chronic or acute. a chronic sleep-restricted state can cause fatigue. fatigue is a subjective state related to sleep deprivation, the more someone is deprived of sleep the more likely that person is to be fatigued. several studies indicated that drowsiness/fatigue can affect steering performance and speed control. rese...

background the most accidents can be directly attributed to human factors. hence, more traffic crashes result from driver malfunctioning which from among them, the driver behavior is a proximal factor in the road traffic injuries causation chain. objectives this study aims to investigate relationship between aberrant driving behaviors questionnaire (dbq factors) and self-report crashes involvem...

W hen the last tree on Easter Island was felled, the inhabitants belatedly realised that there was no escape from an eon of ‘‘groundhog days’’. Paediatrics, a discipline championed in the UK, faces a comparably monotonous future bereft of innovation and improvement. Levene and Olver present alarming data on staffing changes in UK academic paediatrics between 1999 and 2004. Most worrying is a 26...