Complex sleep-related behaviors which may include sleep-driving, making phone calls, and preparing and eating food (while asleep).

复杂的睡眠相关行为，包括睡眠驾驶，打电话和在睡梦中做饭、进食。

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Portuguese Sleep Association reminds you that driving tired can kill.

葡萄牙睡眠协会提醒您：疲劳驾驶会出人命。

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We grow irritable and lose our ability to focus and make decisions after even one night of missed sleep, and that can lead to serious accidents driving and using other machinery.

我们一夜不睡觉的话，就会心情烦燥、精力无法集中加上犹豫不决，如果是在驾驶或操纵仪器，那甚至会导致严重的事故。

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Crash factors may include sleep loss, driving patterns -- early morning or late at night, for example, use of sedating medications, untreated or unrecognized sleep disorders, or consumption of alcohol.

CNN: How to combat drowsy driving

This was after adjusting for factors such as age, sleep patterns, kilometres driven, breaks taken and night-driving schedules.

BBC: Lorry drivers who drink coffee 'cut their crash risk'