From: Scientific American

New Research about Eating, Sleeping, Eliminating and Snuggling

As Cleveland Cavaliers guard J. R. Smith has probably heard a few times at this point, you have to be solid in the fundamentals. For a basketball player, some of the fundamentals are dribbling, shooting and, as Smith learned the hard way, knowing the correct score with seconds to play in the first game of the NBA Finals. For the rest of us (who blissfully do dumb things without attracting worldwide attention), the major fundamentals include sleeping, eating, sex and eliminating. Fortunately, new scientific research has made key discoveries all these areas.

Let’s start with what would have been great news for Macbeth, who admits in the play that he has concerns about getting a decent night’s sleep. He’s all “Sleep no more!” and “Macbeth does murder sleep.” Sounds a lot like modern life, doesn’t it? Sure, he’s racked with guilt over taking the crown, whereas we’re up late binge-watching The Crown. But either way, a new study finds that lost sleep may once again be found.

Insufficient sleep is a big deal. People die early from it. One of the latest reports, “Sleep Duration and Mortality—Does Weekend Sleep Matter?” (published May 22 online in the Journal of Sleep Research), found that weekend bonus slumber wards off the deadly effects of weekday sleep deprivation. Of course, Macbeth never got a chance to catch up on his sleep tomorrow and tomorrow and tomorrow.

Over in the eating realm, a study calls into question the meaning of the famous marshmallow delayed-gratification test. The oft-cited analysis found a strong correlation between a kid’s ability to hold off eating a marshmallow (with the promise of a second marshmallow for doing so) with that kid’s later achievements and behavior.

The new study, “Revisiting the Marshmallow Test: A Conceptual Replication Investigating Links between Early Delay of Gratification and Later Outcomes,” released May 25 online in Psychological Science, tested 10 times as many youngsters as did the original research. And it found a much smaller association between delaying gratification and how the children turned out. The work also discovered a connection between higher family income and short-term self-control. Perhaps the rich kids showed up for the test stuffed.

Read the whole story: Scientific American

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