Energy

The afternoon slump is scheduled by your circadian clock, not caused by weakness — here is a 20-minute counterplan built from lunch, light, a short walk, and smarter caffeine timing.

Cohort data links three or four daily one-to-two-minute bursts of vigorous everyday movement to 38–40% lower mortality risk in non-exercisers — here is how to collect those bursts without a gym.

Light walking for even 2–5 minutes after eating measurably blunts the post-meal blood sugar spike — here is what the research found, and a realistic plan for fitting walks into a normal week.

A sleep-lab study found caffeine taken six hours before bed still cut sleep by about an hour — here is how I used that finding to pick a real cutoff without giving up coffee.

The real protein numbers — 0.8 g/kg as the floor, 1.2–1.6 g/kg if you train, about 0.4 g/kg per meal — plus a food table and a calculator so you can skip the arithmetic.