EveryFiveDays

Better decisions, every five days.

We test products, read the research, and publish what actually holds up across five areas of everyday life. Recommendations come last, after the work that earns them.

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Five subjects, five specialists

Each area is written by one person who works in it. They test what they recommend and tell you when the honest answer is that nothing is worth buying yet.

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Smart Pet Care

Feeding, monitoring, and home care, judged by whether it makes life calmer for the animal.

Cognitive Performance

Focus, memory, and the tools that support thinking work, read against the evidence.

Fitness Tech

Trackers and equipment tested in real training, not in a showroom.

Productive Workspace

Desks, light, and setup decisions that hold up over months of daily use.

Sleep and Recovery

Evidence-led approaches to sleeping better and recovering properly.

Editor's pick

Heart Rate Accuracy Across Nine Wrist Trackers

We compared wrist readings against a chest strap through intervals, steady runs, and strength work. The gaps were larger than expected.

Priya Raman · 6 min read

Recently published

The newest work from across all five areas.

Abstract editorial illustration for a Smart Pet Care article

Automatic Feeders That Actually Hold Their Schedule

We ran six programmable feeders for eleven weeks to see which ones kept time, handled power cuts,...

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Posted By Maya Okonkwo
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What a Pet Camera Can and Cannot Tell You

Remote monitoring answers some questions well and others badly. Here is how to read what you are...

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Posted By Maya Okonkwo
Abstract editorial illustration for a Smart Pet Care article

Choosing a Water Fountain Your Cat Will Use

Most fountains fail on noise, not filtration. We tested flow rates, pump volume, and how long each...

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Posted By Maya Okonkwo
Abstract editorial illustration for a Smart Pet Care article

Litter Box Placement Matters More Than Litter Brand

Before you switch products, look at where the box sits. Position solves more problems than any premium...

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Posted By Maya Okonkwo
Abstract editorial illustration for a Cognitive Performance article

The Evidence Behind Focus Supplements, Read Carefully

We went through the trials behind the most marketed nootropic ingredients. Some hold up modestly. Most do...

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Posted By Daniel Reyes
Abstract editorial illustration for a Cognitive Performance article

Note Taking Systems and the Illusion of Structure

Elaborate systems feel productive because organising is easier than thinking. Here is what the research says about...

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Posted By Daniel Reyes

When two specialists disagree, we publish both

Some questions sit between categories. These pieces carry a short contribution from a second specialist, marked clearly in the text.

One email every five days

A short letter with what we published, what we are still testing, and the occasional thing we got wrong. No urgency, no filler.

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