Why Reading Is Good for You, and Whether Paper Beats Screens

Reading is one of the simplest habits with real benefits. A good book can calm you down, keep your mind active, widen your vocabulary and help you understand other people, and long-term studies link regular book reading with a longer life. How you read matters too: for studying, paper has a small but consistent edge over screens, and bright tablets late at night can push back your sleep.

Some of the most-shared numbers about reading are shakier than they look, so here is what the evidence supports and how to make the most of your reading time.

Reading and stress: the six-minute claim

You may have seen the claim that six minutes of reading cuts stress by 68 percent. It traces back to 2009 research by Mindlab International, a consultancy linked to the University of Sussex, led by neuropsychologist Dr David Lewis. Volunteers were put through stressful tasks and then tried different ways to unwind, such as listening to music, taking a walk, playing a video game or reading, while their heart rate and muscle tension were measured. Reading came out on top.

The trouble is that the figures change depending on who retells them. Some versions say reading cut stress by 68 percent; others say reading was 68 percent more effective than music, or that six minutes reduced stress by 60 percent. The work was reportedly carried out as commercial research, the sample size was not widely reported, and we could not find it in a peer-reviewed journal. Treat the exact numbers as a press-release headline, not a scientific constant.

The underlying idea is still plausible. Getting absorbed in a story pulls attention away from worries in much the same way meditation or a quiet walk can. Lewis described it as an active use of the imagination rather than mere distraction, and that matches what many readers feel. What you read matters: an engrossing novel relaxes; a work report or distressing news may do the opposite.

What long-term studies say about readers' health

Stronger evidence comes from large population studies. In 2016 researchers at Yale, Avni Bavishi, Martin Slade and Becca Levy, analysed 3,635 older adults from the US Health and Retirement Study. After adjusting for factors such as education, income and health, book readers had about a 20 percent lower risk of dying over 12 years than people who did not read books.

That is an association, not proof that reading itself adds years. Readers may differ in other ways that are hard to measure. The authors suggested that the deep, immersive attention that books demand, more than newspapers or magazines, may help keep the brain engaged as we age.

Other benefits are well documented in education research: regular readers build larger vocabularies, and reading fiction is linked with better understanding of other people's thoughts and feelings, although how large that effect is remains debated.

Screens before bed and sleep

One of the clearest findings concerns light. In a 2014 study published in the Proceedings of the National Academy of Sciences, Anne-Marie Chang and colleagues at Brigham and Women's Hospital in Boston had 12 adults read for four hours before bed, from 6 to 10 p.m., on an iPad for five nights and from a printed book for five nights, in random order.

After reading on the iPad, participants took nearly 10 minutes longer to fall asleep, had less REM sleep, felt less sleepy in the evening and took longer to become alert the next morning. Hourly blood samples showed that the evening light delayed and suppressed melatonin, the hormone that helps signal night-time to the body.

The key factor is light emitted by the device. In the same work, the iPad, Kindle Fire and Nook Color gave off similar amounts of light, while a basic e-ink Kindle, which works by reflected light like paper, gave off none. So an e-ink reader with a gentle reading lamp is a reasonable bedtime choice; a bright tablet or phone is not.

Paper or screen: which helps you understand more?

Early studies produced mixed results, but in 2018 Pablo Delgado and colleagues pooled 54 studies with more than 171,000 participants in the journal Educational Research Review. Overall, people understood texts somewhat better on paper than on screens. The effect was small by statistical standards, but meaningful in education.

The details are revealing:

The paper advantage was larger when people read under time pressure, and much smaller when they read at their own pace.
It held for informational texts, such as textbooks and articles, but there was no difference for purely narrative texts like stories.
Surprisingly, the gap grew slightly between 2000 and 2017, even as people became more used to screens.

A small 2014 Norwegian study by Anne Mangen of the University of Stavanger, widely reported at the time, found that readers of a short mystery story on a Kindle were worse than paper readers at putting the plot's events in the right order. Mangen suggested that the physical sense of progress through a printed book, pages moving from one hand to the other, may help the mind build a map of the story. That idea is still being tested, and the result came from one small group of readers.

How to get more out of your reading

Read what pulls you in. The relaxation benefit depends on absorption, so pick books you actually want to read.
Use paper for study. For textbooks, contracts or anything you need to remember in detail, print or a physical book may give you a small advantage. Slow down, too: rushing hurts comprehension on screens more than on paper.
Make bedtime reading screen-free or low-light. A printed book or an e-ink reader with a warm lamp is kinder to your sleep than a bright tablet.
Little and often works. Even 20 to 30 minutes a day adds up to dozens of books a year.
Talk about what you read. Book clubs and conversations help you remember more and add a social side to a solitary habit.

Myths about reading worth dropping

“Only serious books count.” The research on stress and enjoyment does not distinguish between literary classics and thrillers; engagement is what matters.

“E-readers ruin your brain.” For stories, comprehension on screens and paper is about the same. The concerns are mainly about studying under pressure and about bright light at night.

“Reading is a cure for anxiety or insomnia.” It can help you relax and wind down, but it is not a treatment. If stress or sleeplessness is affecting your daily life, talk to a doctor.

A book is cheap, portable and needs no batteries. Given what the evidence suggests, keeping one on your bedside table is still one of the easiest good habits there is.

Sources: Delgado et al., “Don't throw away your printed books,” Educational Research Review (2018, PDF); Penn State: Light-emitting e-readers detrimentally shift circadian clock (22 December 2014); University of Michigan Survey Research Center: HRS data used in study linking book reading with longevity; Tes: reporting on the 2009 Mindlab reading study; original article via I Heart Intelligence.

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