Do you go to bed at the same time every night? If you are like most people in the industrialized world, the answer to this question is likely "no." Electrical lights and smart devices give us the means to stay awake well past dark and plenty of ways to entertain ourselves while doing so. The result is that most adults...

Modern society has become almost "timeless" due to electric lighting and other technology. We can buy groceries at midnight, get medical care at any hour, and access 24/7 customer service for any problems that arise during the day or night. There are definite benefits to this constant access. However, there may be serious health consequences for the people who keep...

The night sky is an important part of human culture. We refer to famous people as "stars" and make endless references to the night sky without even realizing it. Van Gogh's "Starry Night" and other great works of art based on the night sky are still an inspiration to millions. While darkness at night has historically been an important part...

Electronic devices have allowed us to be more connected, yet more detached. Smartphones, tablets and other devices give us access to information, social media and email 24 hours a day. While this should make it easier to manage our lives and maintain meaningful connections, it appears to actually be hindering us in these areas. New research suggests that taking a...

How do your food choices affect your sleep? If you've ever reached for a cup of chamomile tea or a glass of warm milk before bed, you probably have some idea. Although there has not been solid evidence that diet affects sleep until recently, many people in cultures around the globe maintain deeply-held beliefs that some foods and beverages can...

If you've been keeping up with recent research, you're probably aware of the negative effects of blue light from electronic devices on sleep. More and more we are being warned to put down the smartphone and power down the laptop at night. The link between low melatonin levels and blue light is well established. However, blue light may be affecting...

Benjamin Franklin once observed, "Early to bed and early to rise makes a man healthy, wealthy and wise." However, in reality, it may not be so simple. While some people are up with dawn and yawning by dusk, others come alive at night, yet struggle to function in the mornings. New research has found that whether you are a "morning lark...

Coffee is an American obsession. While many people enjoy this energizing beverage, many of us also view it as a bad habit, even if a minor one. However, a new chronobiology study on coffee and the circadian rhythm has found that moderate amounts of coffee affect the circadian rhythm in positive ways, and may be especially good when it comes to...

Many people are familiar with the neurotransmitter serotonin. Drugs controlling serotonin levels, such as SSRIs, have been used to treat diverse diseases from clinical depression to chronic pain disorders. The link between low serotonin levels and clinical depression has long been known, but new evidence suggests that serotonin also plays a role in gastrointestinal motility and a variety of other...

Irregular sleep cycles and melatonin levels can have a detrimental effect on every aspect of health, but their connection to insulin resistance and type 2 diabetes is especially strong. Recently, scientists looked for a mechanism through which the two seemingly-unrelated health issues might be linked. Their research indicated that the melatonin 1B receptor appears to be the connection, a discovery that opens...