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Restorative sleep: therapy for baby boomers

Photo: sleeping woman

Lack of restorative sleep leads to

serious health concerns, including cardiovascular disease, obesity, diabetes, memory problems and increased rates of

depression


2008-08-16

[We are including this specifically for the information about lack of sleep, not as an endorsement of the drug. You could just skip straight to taking melatonin supplements. - Ed

From the American Friends of Tel Aviv University media release:

If you're over 55 and have spent more than a few sleepless nights, you're not alone -- insomnia affects about half of all people over 55 -- but you may also be at increased risk for physical and mental ailments.

Many older adults don't get enough restorative sleep, leading to serious health concerns, including cardiovascular disease, obesity, diabetes, memory problems and increased rates of depression. Unfortunately, current sleeping pills are associated with memory problems, a risk for falls, dependency, withdrawal symptoms and disturbed sleeping patterns.

Circadin, a new drug developed at Tel Aviv University by Prof. Nava Zisapel, a chemist and neurobiologist from TAU's George S. Wise Faculty of Life Sciences, may help America's aging baby boomers get the much-needed sleep they need. Recent results from Prof. Zisapel's research with Circadin appear in the Journal of Sleep Research and are reviewed in Aging Health.

How the Body Tells Time
Prof. Zisapel's research centers on the hormone melatonin, which affects the way our biological functions differentiate between day and night. "As we age, the melatonin hormone signal weakens," says Prof. Zisapel. "As a result, our bodies and brains feel less difference between day and night."

Exacerbating the effect of low melatonin levels, aging people tend to sleep in a less organized fashion than younger people, Prof. Zisapel explains. "People are sleeping in front of the TV, or nodding off during conversations, and taking long afternoon naps. This leads to less sleep at night. In a way, their sleep habits become more like babies', and less like those of healthy adults who sleep in consolidated periods during the night."

Mimicking the profile of nighttime melatonin found in our bodies, Circadin replenishes the much- needed hormone, which declines steadily with age. Clinical trials in the United States and Europe found that Circadin improves sleep quality and morning alertness, and helps those 55 and over get a better night's sleep.

Her new drug therapy "improves sleep and daytime vigilance, helping to re-organize the circadian system, the body's internal clock," Prof. Zisapel says. Added benefits include more normalized blood pressure and blood sugar levels at night. The formulation also has a profound effect on the blind, whose biological clock is disturbed because they can't see light, a trigger for synchronizing with the external day/night cycle.

Advice for Sound Sleep Hygiene
Until Circadin is available in the United States, there are some simple steps seniors can take to get a good night's sleep, Prof. Zisapel says. Spending a couple of hours outdoors every day can help. Sipping lattes on a cafe patio (away from direct sunlight) can be pleasurable, and increases the exposure to natural light from the blue-green spectrum. Experiencing a full spectrum of light during the day could also be beneficial, as is routine exercise and avoiding daytime naps and sleeping in front of the TV.

Prof. Zisapel is the past director of the Adams Brain Research Center at Tel Aviv University and is the Chief Scientific Officer of Neurim Pharmaceuticals, a company commercializing the technology and licensing it from Ramot, the technology transfer arm of Tel Aviv University. The new drug is currently available in Europe, and is expected to be in the United States by next year.

American Friends of Tel Aviv University (www.aftau.org) supports Israel's largest and most comprehensive center of higher learning. It is ranked among the world's top 100 universities in science, biomedical studies, and social science, and rated one of the world's top 200 universities overall. Internationally recognized for the scope and groundbreaking nature of its research programs, Tel Aviv University consistently produces work with profound implications for the future.


2008-08-16

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