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People sometimes drag through life because of a chronic sleep deficit.

人们有时因长期睡眠不足而疲疲塌塌地度过一生。

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Academics are divided about the extent and seriousness of the sleep deficit.

学术界人士对睡眠缺乏的程度和严重性有不同意见。

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They are long, tedious and dangerous to read if you have a sleep deficit.

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Most have other conditions as well, like attention-deficit hyperactivity disorders, sleep problems or epilepsy, which may affect their functioning, Dr. Gillberg said.

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It is believed that sleep deprivation may harm neurological development and can contribute to behavioural problems including attention deficit hyperactivity disorder (ADHD).

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