Paul Calver

Articles

Everything here is written by me, signed, and sourced. These are the canonical versions. Anything you've seen from me on LinkedIn or Substack starts here.

Why a digital detox doesn't work, and what to do instead

13 August 2026

Locking your phone in a box for three days opens a window and then closes it. A certified Master Health Coach on the habit research, why total screen time is the wrong target, and what actually holds.

Checking your phone first thing in the morning: what the evidence says, and a better first move

19 July 2026

Light, movement and a boundary before the feed. A certified Master Health Coach separates the physiology from the behaviour design, honestly.

Should you wake up at the same time every day? What the evidence actually says

19 July 2026

Sleep regularity may matter more than sleep duration. A certified Master Health Coach reads the research on consistent wake times, including what it can't yet prove.

Weekend lie-ins, catch-up sleep and social jet lag: how far is too far?

19 July 2026

Can you repay sleep debt at the weekend? A certified Master Health Coach on social jet lag, the one-hour guideline, and why regularity should never cost you sleep.

Why habit streaks backfire, and what actually sustains change

17 July 2026

Streaks borrow from loss aversion, not behaviour-change science. A certified Master Health Coach on why the reset-to-zero mechanic drives abandonment, and what to build instead.