Trending Topics

Researchers Find The Effects of Racism Cause Black People to Get A Half Hour Less Sleep Than White People

Woman Sleeping in BedThe effects of racism may seep into our brains and harm us even when we are trying to sleep, according to alarming new research that shows racial stress and discrimination cause Black adolescents and adults to get an average of a half hour less sleep per night than white people, which has an enormous impact on Black health and performance.

Social media users have frequently joked that they wished to get some of that “good white woman’s sleep”—who knew that all along it was actually true?

Researcher Emma Adam from Northwestern University has discovered that young adults from racial/ethnic minority groups who experience more discrimination have higher levels of cortisol in the evening, and less decline in cortisol levels throughout the day, than those with lower discrimination. Flatter cortisol rhythms across the day have been linked to a long list of problems, such as higher fatigue, poor mental health, cardiovascular disease and failing memory.

Using data collected over a 20-year period, researchers found that over time the more discrimination people experience across adolescence and early adulthood, the more dysregulated their cortisol rhythms are by age 32.

This is a devastating finding that should be heeded by all parents—frequent encounters with discrimination during adolescence affected the cortisol levels individuals had as adults.

One of the most significant impacts of dysregulated cortisol levels was on sleep.

Black people sleep less than white people, on average by just over a half hour per night for both adolescents and adults. Black people also get lower amounts of restorative deep sleep. Adam’s research attributes this to racial discrimination and the increased vigilance it causes—affecting sleep hours, sleep quality, and sleep architecture (the structure and pattern of sleep).

Other studies have found similar differences between Black and white sleep. One study found that white people were found to get an average of 7.4 hours of sleep per night, while Hispanics and Asians averaged 6.9 hours and Blacks 6.8 hours. In addition, sleep quality—which the study defined as ease in falling asleep and length of uninterrupted sleep—was also higher for whites than for Blacks.

Because of the importance of sleep to the human body and its optimal level of importance, this significant difference in sleep quality means that over time Black people are much more susceptible to greater fatigue, lower self-esteem, increased depression, disruptions in immune functioning, increased inflammation, increased obesity, diabetes and heart problems, increased risk of unsafe driving and accidents, slowed reaction times, and impaired attention and memory.

Even more troubling, the effects of discrimination on stress hormones may be passed down across generations, as researchers have discovered higher racial discrimination was linked to higher evening cortisol in pregnant mothers, and also predicted larger cortisol reactions to stress in the infants of those mothers.

All in all, this research is a potentially devastating finding that speaks volumes about the challenges Black people face in white-dominated societies.


What people are saying

13 thoughts on “Researchers Find The Effects of Racism Cause Black People to Get A Half Hour Less Sleep Than White People

  1. Bright Chike says:

    Funny we suffer more stress, but still do not go on shooting sprees. A dose of what they dole out will turn this guys into psychopaths.

  2. Devastating – but explains so much.

  3. Masai Atg says:

    Could it be we spend that half hour fucking?

  4. I'm a black man. I wouldn't buy this on my WORST day.
    How on earth do we fix THIS?

  5. Johnny Kain says:

    White people are too fragile to even hear about racism; that's already too much for them so they constantly freak out and try to shut us up so they can continue to live in "their world" in which everything is wonderful. None of them would have the power and strength to walk a mile in our shoes. They would break down and cry immediately.

  6. Johnny Kain says:

    Does the research imply that?

  7. Bright Chike says:

    Johnny Kain I have a white classmate who always complains bitterly of an event that happened eons ago about someone discrimnatiing against her because she is not a citizen of this country. I was like, "I suffer through this once I leave my room at any point in the day"; I am not making any less her pain, but I am trying to compare the magnitude of our experiences.

  8. Edward Bone says:

    enough is enough!

  9. Dennis Teel says:

    I seriously doubt there has actually been scientifically documented proof that blacks as a whole sleep a half hour less and certainly no proof that it's because of racism..notice that no ages were so many were tested to incorporate the definition "blacks" as in all of them or even the majority, is a mystery and it's not logical..this is is a BS article that anyone with any common sense should avoid believing.

  10. really? umm I'm white and with my 1 year old son I get like 3 1/2 hrs of sleep and my husband who is (Black-Cuban) gets waaaay more sleep than me because he works early in the morning so he can't have his sleep disrupted. So he gets 9 hrs of sleep compared to my 3 1/2 where was this study done exactly? and was it done on single adults, parents? Being a parent would have a big factor in the hours of sleep. Anyone who's a parent knows it does not matter what color you are, if you've got a baby there is no sleeping. Where are the meta analysis? sources? references? age groups? sex? working or students? etc.

  11. How absolutely ridiculous,,,what's next, blame racism for the snow? People need to grow the F**k up, and take responsibility for their own damned actions,,stop blaming your shit on others!!!! Stop being a whiny-ass pansy-puss. Life isn't easy for anyone, so deal with it instead of projectiong your self hatred off on others.

  12. its their raciest fews and the hatred that keeps them up

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Back to top