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Tuesday, March 27, 2007

[ delayed sleep phase syndrome ]

If you're a teenager like me and often have trouble sleeping at night like I do, consider this: you most probably have a condition called Delayed Sleep Phase Syndrome (DSPS).

I first learned about this thing when I was surfing Julia's blog for fun. It was a little weird actually, since I've been having trouble sleeping lately and thought I had semi-insomnia. It seems like this happens every summer, starting last year. I wouldn't get sleepy till around twelve AM (look at one of my previous posts) and would normally wake up at around ten. My mom gets frustrated with this, saying that she can't make three breakfasts in one day, but to me waking up late is normal. Besides, I really can't help it.

So when I serenidpitiously found the answer in Julia's blog, I was quite ecstatic. Finally, a scientific way to explain to my mom why I'm used to such a schedule. The article says most adolescents are the same way as I am. Try checking your IM buddy list. Maybe that's why your classmates are always online till after midnight - try asking. Maybe, like you, they can't fall asleep at an earlier time.

Here's a little something from Julia's blog and Wikipedia:

"Recently, however, a different picture has emerged. Independent investigators in Brazil, Japan, and the United States have suggested that the internal, biologic sleep-timing mechanism is reset along with the other changes of puberty. Adolescents’ bodies signal them to go to sleep at a later hour and also to sleep later in the morning. They are often incapable of falling asleep earlier. This phenomenon is known as Delayed Sleep Phase Syndrome.

The syndrome usually develops in early childhood or adolescence, and sometimes disappears in adolescence or early adulthood. It is usually treatable, but cannot be cured. Often, DSPS individuals report that they cannot sleep until early morning, but they fall asleep at about the same time every night, no matter what time they go to bed. DSPS is a disorder of the body's timing system - the biological clock. It is believed to be caused by a reduced ability to reset the body's daily sleep/wake clock. Individuals with DSPS might have an unusually long circadian cycle, or might have a reduced response to the re-setting effect of light on the body clock.

People with normal circadian systems can generally fall asleep quickly at night if they did not have enough sleep the night before. Falling asleep earlier will in turn automatically advance their circadian clocks. In contrast, people with DSPS are unable to fall asleep before their usual sleep time, even if they are sleep-deprived. Research has shown that sleep deprivation does not reset the circadian clock of DSPS patients, as it does with normal people.

Among others it can be treated with chronotherapy, which consists of resetting the circadian clock by going to bed several hours later each day for several days."

So that's why most of us sleep and wake up so late. Hope you learned something from this. What I usually do is take a nap in the afternoon so I won't lack even more sleep, surf the internet till after midnight (I think my mom finally kind of understands, and lets me stay up late), and sleep through most of the morning. Therefore my eating schedule is also affected - breakfast at 11 AM, lunch at 3 PM, dinner at 8 PM, anybody? :D

"I’m anal retentive. I’m a workaholic. I have insomnia. And I’m a control freak. That’s why I’m not married. Who could stand me?"
- Madonna

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chLoe was here at: 9:30:00 PM