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2017

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Best Ways to Reverse Jet Lag

Posted on 09-15-2017

Fortunately, jet lag is usually temporary because our internal biological clock adapts in response to external cues in the new environment. That adaptation—in which the internal clock ...

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Keeping the Lights On & Your Sleep

Posted on 09-15-2017

Light is one of the most important external factors that can affect sleep. It does so both directly, by making it difficult for people to fall asleep, and indirectly, by influencing the ti...

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Sleep Helps to Restructure and Organize the Brain

Posted on 09-15-2017

One of the most recent and compelling explanations for why we sleep is based on findings that sleep is correlated to changes in the structure and organization of the brain. This phenomenon...

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Why Do you Feel Tired & the Need to Sleep

Posted on 09-15-2017

Other rejuvenating aspects of sleep are specific to the brain and cognitive function. For example, while we are awake, neurons in the brain produce adenosine, a by-product of the cells'...

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Sleep Repairs and Restores Our Body

Posted on 09-15-2017

Another explanation for why we sleep is based on the long-held belief that sleep in some way serves to "restore" what is lost in the body while we are awake. Sleep provides an op...

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We Sleep to Conserve Energy

Posted on 09-15-2017

Energy Conservation Theory Although it may be less apparent to people living in societies in which food sources are plentiful, one of the strongest factors in natural selection is competiti...

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What are the Benefits of Sleep?

Posted on 09-13-2017

It may seem obvious that sleep is beneficial. Even without fully grasping what sleep does for us, we know that going without sleep for too long makes us feel terrible, and that getting a good ...

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Long Term Consequences of Not Enough Sleep

Posted on 09-13-2017

Most people don’t get enough sleep. We are a society that burns the candle at both ends, a nation where people stay up all night to study, work, or have fun. However, going without adequ...

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Short Term Consequences of Not Enough Sleep

Posted on 09-13-2017

Most people don’t get enough sleep. We are a society that burns the candle at both ends, a nation where people stay up all night to study, work, or have fun. However, going without adequ...

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What % of Adults Drive Drowsy or Even Fall Asleep at the Wheel?

Posted on 09-13-2017

Long shifts and other factors that result in sleep loss have safety consequences for our highways as well. A National Sleep Foundation survey has revealed that 60 percent of adult drivers&mdas...

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Is Your Medical Doctor Making Errors from being Tired & Over Worked?

Posted on 09-13-2017

    Although it is difficult to estimate the extent that sleep deprivation plays in medical errors, studies have shown a significant impact. For example, a 2004 study led by Dr. C...

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Medical Errors due to Lack of Sleep and Being Over Worked

Posted on 09-13-2017

    In addition to the ties between such high-profile disasters and sleep deprivation, there is a growing recognition of the link between lack of sleep and medical errors in our h...

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What Part of the Day Does Performance Suffer?

Posted on 09-13-2017

    The earliest scientific evidence of a link between sleep and performance dates back to the early 1930’s, when Nathaniel Kleitman, one of most significant figures in the ...

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How Long can you Stay Awake?

Posted on 09-13-2017

    The most immediate effect of sleep deprivation is sleepiness. In our daily lives, we may experience this as a general fatigue, lack of motivation, or even the experience of no...

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Sleep Deprivation and the Brain

Posted on 09-13-2017

    In addition to the feeling of sleepiness and changes in brain activity that accompany a night without sleep, other measures of performance are noticeably altered. Concentratio...

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Need a Night Cap to Fall Asleep?

Posted on 09-06-2017

    Studies have shown that alcohol use is more prevalent among people who sleep poorly. The reason for this is twofold. First, alcohol acts as a mild sedative and is commonly used as...

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Get More Sleep to Fight Sickness

Posted on 09-06-2017

    It is natural for people to go to bed when they are sick. Substances produced by the immune system to help fight infection also cause fatigue. One theory proposes that the imm...

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Not Getting a Full Night's Rest Affecting Your Mood

Posted on 09-06-2017

    Given that a single sleepless night can cause people to be irritable and moody the following day, it is conceivable that chronic insufficient sleep may lead to long-term mood ...

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A Night of Bad Sleep Can Raise Your Blood Pressure

Posted on 09-05-2017

    Studies have found that a single night of inadequate sleep in people who have existing hypertension can cause elevated blood pressure throughout the following day. This effect...

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Lack of Sleep May Lead to Diabetes

Posted on 09-05-2017

      Researchers have found that insufficient sleep may lead to type 2 diabetes by influencing the way the body processes glucose, the high-energy carbohydrate that cells us...

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