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。

youdao

When the apnea is accompanied by loud snorts and snoring, the bed partner may wake up as often during the night as the person with the actual sleep disorder.

当呼吸暂停是伴随着粗鼻息和打鼾，伴侣可能会因睡眠障碍在夜间经常惊醒。

youdao

Vanda Pharmaceuticals said yesterday it is testing its melatonin-stimulating drug tasilmelteon in something called Non-24-Hour Sleep Wake Disorder.

FORBES: Helping Blind Patients To Sleep

Sleep apnea is a disorder that causes people to stop breathing momentarily and wake up as often as hundreds of times every night, leaving a lot of unexplained fatigue, irritability and millions of hours of lost productivity at the workplace.

FORBES: No Rest for the Weary

And, unfortunately, but not surprisingly, they were more likely to deal with such psychiatric issues as depression, anxiety disorder, and substance abuse, including smoking, in the wake of Katrina.

FORBES: How Major Psychological Stressors Can Lead To Serious Health Problems