Highly variable sleep schedules predict an elevated risk for suicide independent of depression in actively suicidal young adults, according to a research abstract presented Tuesday, June 8, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies LLC. Results indicate that a sample of actively suicidal undergraduate students had a delayed mean bedtime of 2:08 a.m.; restricted total sleep time of 6.3 hours; and highly variable sleep schedules, with time of mean sleep onset varying by three hours and time of sleep offset varying by 2... 
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