Health

Humans don't hibernate, but we still need more winter sleep

Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...

Medical research

Study identifies four major subtypes of long COVID

The post-COVID syndrome known as long COVID has four major subtypes defined by different clusters of symptoms, according to a study led by researchers at Weill Cornell Medicine.

Diseases, Conditions, Syndromes

Severely stressful events worsen symptoms of long COVID

The death of a loved one, financial or food insecurity, or a newly developed disability were some of the strongest predictors of whether a patient hospitalized for COVID-19 would experience symptoms of long COVID a year later, ...

Psychology & Psychiatry

The early bird may just get the worm

Night owls may be looking forward to falling back into autumn standard time but a new study from the University of Ottawa has found Daylight Saving Time may also suit morning types just fine.

Health

Scientists use 'sleep age' to infer long-term health

Numbers tell a story. From your credit score to your age, metrics predict a variety of outcomes, whether it's your likelihood to get a loan or your risk for heart disease. Now, Stanford Medicine researchers have described ...

Neuroscience

How sleep builds relational memory

Relational memory is the ability to remember arbitrary or indirect associations between objects, people or events, such as names with faces, where you left your car keys and whether you turned off the stove after cooking ...

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