I have a circadian rhythm disorder called delayed sleep phase syndrome.

我有昼夜节奏紊乱的问题，即睡眠相位后移综合症。

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Beginning at adolescence, kids have what's called a delayed sleep phase, where they start sleep later and sleep later in the morning.

青春期伊始，孩子们会产生所谓的睡眠相位后移症，症状表现为入睡比平时晚，起床也比平时晚。

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A team from Flinders University in Adelaide, Australia, are investigating delayed sleep phase disorder, which is characterised by a persistent inability to fall asleep and wake at a conventional time.

澳大利亚阿德莱德弗林德斯大学的一个研究小组调查研究了睡眠期失调遭推迟，其特征就是迟迟无法入睡无法按时醒来。

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A team from Flinders University in Adelaide, Australia, are investigating delayed sleep phase disorder, which is characterised by a persistent inability to fall asleep and wake at a conventional time.

澳大利亚阿德莱德弗林德斯大学的一个研究小组调查研究了睡眠期失调遭推迟，其特征就是迟迟无法入睡无法按时醒来。

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