IELTS Reading: Multiple Choice (more than one answer) (Practice with Answers)

The idea of sleep debt, the notion that short nights accumulate like unpaid bills, has shaped advice for half a century. Its trouble is that the evidence keeps behaving oddly. Laboratory subjects deprived of sleep do perform worse on attention tests, and a single long night restores much of that performance, which fits the debt model. Yet longitudinal studies following thousands of adults for a decade find people sleeping five hours and people sleeping eight in similar health, once naps, shift work and illness are accounted for.

One reconciliation comes from genetics. A small fraction of people carry variants associated with naturally short sleep, and they appear exempt from the costs others pay. The debt model, critics argue, was built on the average response while treating everyone as average. Two researchers at the University of California famously showed that people told a nap would help performed better after napping, and people told it would not showed smaller gains, suggesting that expectation does measurable work in sleep science.

Practical advice has begun to move accordingly. Rather than prescribing universal hours, clinicians increasingly ask how an individual functions: whether they wake before the alarm, whether afternoons require effort, whether weekends involve massive catch-up sleeps. Those markers, rough as they are, distinguish the merely tired from the genuinely restricted better than any diary total. The eight-hour rule, one sleep scientist concluded, has the status of a useful folk tradition: right often enough to keep, wrong often enough to question.

A garment's average active life has fallen by roughly a third since the turn of the century, and the causes turn out to be less about fabric than about feeling.

Researchers who interviewed wardrobe owners found that clothes rarely wear out. They fall out of favour, lose a button at the wrong moment, shrink past comfort or simply stop matching anything. Physical failure accounted for under a quarter of retirements, and even those often began as neglect: a missing button no one would sew back. The study's most quoted finding was that the cheapest garments, acquired impulsively, were retired fastest, barely worn before disposal, while expensive pieces survived not because of quality but because owners felt obliged to justify the price.

Repair infrastructure has thinned alongside. The number of working shoe repairers and alteration tailors in most Western cities has halved in a generation, and where repair survives it is often priced as a luxury service rather than a utility, so the economics that once made a two-pound mend obvious now make a twenty-pound replacement seem sensible. Some brands have responded, offering visible mending as a fashion statement and free repair for life on premium lines, though analysts note these programmes cover a fraction of one percent of units sold.

Second-hand channels absorb part of the flow, but donation bins cannot rescue what owners describe as too worn to pass on, which in the interviews meant anything stretched, stained or emotionally finished. The fate of most retired clothing is thus the bin, and the industry's talk of circularity describes a loop that currently catches fewer garments each year than the marketing suggests.

Every rich country claims a housing crisis and builds too few homes, and the explanations on offer divide by which villain the speaker prefers.

The planning explanation points at land use control: zones that forbid flats, consultation regimes that let objectors delay, and the long timelines, a decade in some cities, between identifying land and pouring foundations. The evidence is comparative. Cities with responsive land regimes, Houston the textbook case, build when demand arrives and stay affordable; cities with hard caps, whatever their virtues, do not.

The market structure explanation answers that builders themselves prefer scarcity. Large developers ration releases to protect prices, land banking when demand dips, and the industry's consolidation into a few firms per country has made the rationing easier to sustain. Small builders, historically the volume response to booms, have declined everywhere since the 2008 financial crisis, which destroyed the sub-scale lenders that financed them.

The quieter constraint is labour and materials. Construction productivity has barely moved in fifty years, training pipelines shrank after each downturn, and the trades needed to double output simply do not exist, an argument that any policy aiming at volume must either wait a decade for workers or import them. Meanwhile materials costs, timber especially, have swung violently enough to kill projects mid-pipeline.

None of these explanations wins alone, which is why policy oscillates. Deregulate planning and the market-structure critique bites; subsidise demand, every country's favourite, and prices absorb the subsidy unless supply responds, which returns to labour. The crisis, in other words, is not one bottleneck but a system of them, and the political difficulty is that each fix requires the cooperation of an actor who benefits from the blockage continuing.