Some mornings when you wake up, your head is fuzzy, your body is heavy, and you don't feel rested. It felt like you were dreaming all night. But did all that dreaming actually wear you out? Let's look at what the science ...
May 27, 2026
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In his wildest dreams, HHMI Investigator Massimo Scanziani never imagined he'd study sleep. But, when a postdoc in the lab suggested studying eye movements in sleeping animals, Scanziani's curiosity was awakened.
May 26, 2026
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Humans and other mammals cycle through distinct sleep phases. One of them is easily recognized by the darting motion of the eyes behind closed lids, giving it its name: REM (rapid eye movement) sleep. This is the state in ...
May 6, 2026
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Not everyone can sleep through rumbling traffic or a spouse's incessant snoring. If you do, you may pride yourself on being a "deep" or "heavy" sleeper. If you struggle to fall or stay asleep, you may consider yourself a ...
Apr 26, 2026
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Researchers led by Guilio Bernardi at the IMT School for Advanced Studies Lucca in Italy have discovered a key relationship between dreaming and the feeling of having had a good night's sleep. Published in PLOS Biology, the ...
Mar 24, 2026
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Some mornings, you wake up and the dream is right there. Clear and vivid. You might still feel the emotion in your chest, and it can take a few minutes to remember where you are and what was real.
Mar 3, 2026
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The brain may inadvertently "learn" to have seizures by treating them like important memories to be stored, according to new research from Mayo Clinic. The study, published in the Journal of Neuroscience, has found that after ...
Feb 23, 2026
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We've all heard the best approach to solve a problem is to "sleep on it." It turns out there may be more truth to this adage than previously thought. While stories abound of eureka moments surfacing from dreams, scientific ...
Feb 5, 2026
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Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, earplugs were found to be significantly more effective in protecting sleep against traffic noise, according ...
Feb 2, 2026
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Your watch says you had three hours of deep sleep. Should you believe it?
Jan 26, 2026
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