melatonin

11 Stories

Cows' 'Night Milk' May Help You Sleep Better

That was the case with lab mice, anyway

(Newser) - If you've tried a warm glass of milk to help ease you into sleep at night and it hasn't worked, perhaps it was just milked at the wrong time. The Wall Street Journal reports on a somewhat whimsical sounding potential treatment for anxiety and insomnia: "night milk.... More »

Don't Blame Sleepiness After Turkey Dinner on Tryptophan

The amino acid has gotten a bad rap—but there's more to the story

(Newser) - Succumbing to Mr. Sandman after a hearty turkey dinner isn't tryptophan's fault. At least, not totally, reports the New York Times , which has done its due diligence in compiling plenty of other sources that back up its stop-blaming-tryptophan campaign. The amino acid found in turkey—and long the... More »

Caffeine at Night Does More Than Keep You Up Late

Scientists find that espresso 3 hours before bedtime delays the circadian clock

(Newser) - It's no news flash that consuming caffeine close to bedtime can interfere with sleep. But scientists at the University of Colorado Boulder report in the journal Science Translational Medicine that caffeine has another physiological impact on sleep by delaying the body's natural surge in the production of the... More »

Wear Orange Glasses to Get Better Shut-Eye

Tinted eyewear, filters block blue light emitting from electronic devices: study

(Newser) - You may be tempted to stay up to check out all the new late-night TV hosts , but make sure you've got your orange glasses on first. Various studies and expert opinion suggest that special filters, light bulbs, and the aforementioned orange-tinted eyewear can help block melatonin-disrupting blue light emitted... More »

Dangerous 'Microsleeps' Follow Daylight Saving Time

Scientists warn of sudden lapses in attention

(Newser) - Feeling groggy after the Daylight Saving Time switch? Scientists say you better watch out for "microsleeps," tiny lapses in attention that can create problems at work and accidents on the road, the Christian Science-Monitor reports. The microsleeps apparently account for extra car crashes and workplace injuries that follow... More »

Screens Mess With Our Sleep—Even If We Get 8 Hours

'Blue light' affects melatonin levels, which can have dangerous long-term effects: study

(Newser) - Your iPad or smartphone could well be hurting your sleep patterns, even if you're getting in a full eight hours of shuteye, researchers say—and the effects could be long-term. Over a five-night period, researchers in Boston had some subjects read for four hours a night on an iPad;... More »

Light at Night May Interfere With Breast Cancer Drug

Even dim light suppresses melatonin, which appears to make tumors resist treatment

(Newser) - Light at night has already been widely linked to poorer sleep quality , but now even dim light is being shown to interfere with a breast cancer drug's ability to do its job. So says a new study on rats out of Tulane University School of Medicine, which found that... More »

Feeling Groggy? Go Camping (for a Week)

A week outdoors can reset your sleeping patterns: study

(Newser) - Artificial light—and reduced access to sunlight—has put our biological clocks in need of fresh batteries. A new study explains that our fondness for an electric glow has messed with our sleep hormones, making us stay up later than evolution intended in exchange for a lack of alertness in... More »

New Drug Promises Better Sleep for the Jet-Lagged

Substance works a lot like today's popular but unregulated melatonin supplements

(Newser) - A new drug promises to put an end to jet lag and enable better sleep for travelers, swing-shift crews, and insomniacs, the Economist reports. Tasimelteon works a lot like today's popular but unregulated melatonin supplements, bonding with brain receptors to stimulate melatonin production and REM sleep. The distinction is significant... More »

Light May Slow Dementia

Brighter environs cut depression in research hailed as 'spectacular'

(Newser) - Brighter daytime lighting can significantly soften dementia symptoms, according to a Dutch study that found better moods and sleep patterns correlated with brighter environs. Combined with extra doses of the hormone melatonin, lighting slowed onset of symptoms by up to 5%, which “may not sound like a huge amount,... More »

City Lights Linked to Breast Cancer

Scientists believe lights suppress tumor-fighting hormone

(Newser) - Women who live in areas with a large about of night-time light face an increased risk of breast cancer, and scientists believe it may be because the light interferes with a tumor- fighting hormone, reports the Washington Post. Researchers compared satellite images at night with cancer registries and found breast... More »

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