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Journeys across several time zones make our internal body clocks go haywire. We feel exhausted and tense, and our sleep pattern is out of synch. As scientists at the Max Planck Institute for Biophysical Chemistry have now succeeded in demonstrating for mice, the clocks associated with individual organs in the body adapt to th… |
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Alcohol abuse is highly disruptive of circadian rhythms, which refers to the timing of daily rhythms. A new animal study has used hamsters to test for the influence of wheel-running on alcohol intake. Results indicate that exercise, perhaps through stimulation of brain reward pathways, may be able to reduce alcohol intake in … |
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Caffeine can help those working shifts or nights to make fewer errors, according to a new study by Cochrane researchers. The findings have implications for health workers and for any industry relying on shift or night work, such as transportation. More than 15% of workers in industrialised countries are involved in some shift… |
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How light exposure and the gene Id2 play a role in jet lag. The headaches, sleepiness, and all around out-of-it feeling of jet lag is a punishing side effect of long-distance travel by plane. But relief may be in sight in the form of a gene called Id2, suggests a study published in Current Biology. [...] |
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First field study shows lack of exposure to morning light delays sleep in teens. The first field study on the impact of light on teenagers’ sleeping habits finds that insufficient daily morning light exposure contributes to teenagers not getting enough sleep. “As teenagers spend more time indoors, they miss out on… |
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Circadian rhythm isn’t a new type of dance step; it has to do with our internal sleep clock. Learn about how your sleep clock works… Your pattern of sleep and waking is run by the body’s internal sleep clock. Governed by light, your internal sleep clock tells you when it’s time to fall asleep and [...] |
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Cephalon, Inc. (Nasdaq: CEPH) announced that the U.S. Food and Drug Administration (FDA) has extended the action date to March 29, 2010, for its review of the supplemental New Drug Application (sNDA) for NUVIGIL® (armodafinil) Tablets [C-IV]. The sNDA is for the indication of improved wakefulness in patients with excessive s… |
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A study in the journal Sleep shows that the sleep-wake activity rhythms of breast cancer patients are impaired during the administration of chemotherapy. Results indicate that the first cycle of chemotherapy is associated with a temporary disruption of these rhythms, while repeated administration of chemotherapy results in pr… |
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Chronic alcohol consumption blunts the biological clock’s ability to synchronize daily activities to light, disrupts natural activity patterns and continues to affect the body’s clock (circadian rhythm), even days after the drinking ends, according to a new study with hamsters. The study describes the changes that… |
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Research led by a leading expert on the positive benefits of napping at the University of California, San Diego School of Medicine suggests that Rapid Eye Movement (REM) sleep enhances creative problem-solving. The findings may have important implications for how sleep, specifically REM sleep, fosters the formation of associa… |
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