http://www.smh.com.au/news/national/change-school-hours-for-teens/2008/04/03/1206851105577.htmlHIGH SCHOOLS should start at 10am to tackle the chronic sleep deprivation of Australian teenagers, says an expert who has studied adolescent sleep patterns.
Dr Greg Murray, convenor of clinical psychology programs at Swinburne University, said adolescents were getting almost an hour less sleep a night on average than they needed during school term - and modern technology was not to blame.
"It's not just that these young people are choosing to play on the net," he said. "Our findings strongly suggest if you took all that away, they'd be sitting on their beds twiddling their thumbs … in the more extreme cases till 1am."
As children turned into adolescents they naturally became sleepier later. But they still needed as much sleep as primary school students - between 8½ hours and eight hours 45 minutes a night, he said. However, it was only during holidays that students managed to get this amount. The sleep deprivation contributed to the students' irritability, bad mood, inability to concentrate, poor memory, lethargy and possibly to depression, the self-reports from the students indicated.
Dr Murray said. "A forward-thinking school would look seriously at how to modify their schedule to improve the outcomes for adolescents."
Dr Murray and his co-researchers Suzanne Warner and Denny Meyer compared the sleep patterns of 310 year 11 students during school term and holidays.
Unsurprisingly students went to bed later and woke up later in the holidays than during school term, but rather than laziness being the cause, this pattern was likely to reflect the young people's real needs, the research showed. The difference in sleep duration in term and holidays was particularly marked on Sunday to Thursday nights.
"The real concern is we have kids in these classes who are half-awake. Their ability to function, their mood, and their interactions with peers is being incredibly affected by a structure that doesn't suit them," Dr Murray said.
He said most parents would probably feel comfortable about letting boys aged 15 and over get up at 8.30 and get themselves to school by 10.
At Edmund Rice College in Wollongong, the year 11 and 12 students start at 11.45am and finish at 5pm. When the regime began in 1991, adolescent sleep was not the main motivating factor, rather better use of school resources, and providing a different experience for the senior boys, the headmaster, David Lear, said. "But my feeling was the later start suited more of the older boys."
Good or Bad idea?