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Three horizontal bars on a dark background for the REM share of sleep, in one sleep lab a median of 15.5 percent at age 30 or younger and 10.3 percent over 60, and a mean of 21.9 percent at home at an average age of 59, under the title REM sleep: how much is normal, and how to get more
Recovery

How to improve REM sleep: how much is normal by age

How to improve REM sleep: the last hours of the night, how much REM is normal by age, and what alcohol and medicines take from it.
By
huuman

Latest articles

Three horizontal bars on a dark background: falls per person over 18 months in a trial of 151 women with a mean age of 68.5, 1.5 in the wellness group, 0.96 with exercise and 0.7 with exercise plus vibration, under the title Do vibration plates work?
Frame

Do vibration plates work? Strength, bone and falls checked

By
huuman
Four horizontal bars on a dark background: around age 75, muscle mass fell about 0.6 to 1 % a year and strength about 2.5 to 4 % a year in longitudinal studies, under the title Sarcopenia symptoms, self-tests and what reverses it
Frame

Sarcopenia symptoms: 4 self-tests and what reverses it

By
huuman
Seven horizontal bars on a dark background, the magnesium in portions of pumpkin seeds, almonds, spinach, cashews, black beans, brown rice and a banana, next to a light bar for one trial capsule, under the title Which magnesium is best for sleep, and does it help at all?
Recovery

Which magnesium is best for sleep? What the trials show

By
huuman
Two green bars on a dark background: average fat gain of 0.25 kg a year before the menopause transition and 0.45 kg a year during it, under the title Perimenopause weight gain
Metabolism

Perimenopause weight gain: what is normal, what helps

By
huuman
Three arcs comparing peak hip extension while walking in young adults, healthy older adults and older adults with recurrent falls, under the title Hip mobility exercises
Frame

Hip mobility exercises: 6 moves, 10 minutes, how often

By
huuman
Four horizontal bars on a dark background, the deep-sleep minutes caffeine took, one evening workout added, moderate evening exercise added only as a non-significant trend, and one watch missed, under the title How to get more deep sleep: what raises it, and by how much
Recovery

How to get more deep sleep: what works, and by how much

By
huuman
All articles

Start here

General

Introducing huuman: The Science of Living Better, Longer

By
huuman
General

Healthspan vs. Lifespan: What Actually Matters

By
huuman
General

What Your Annual Checkup Misses

By
huuman
General

The Five Dimensions of Health

By
huuman

From the archive

Line showing median grip strength across the lifespan, under the title Sarcopenia
Frame

Sarcopenia: Muscle Loss With Age, Self-Tests and What Works

By
huuman
Frame

20 Pound Muscle Gain: How Long It Takes and a Realistic Plan

By
huuman
Mind

Ambition Goals: How to Set Big Targets Without Burning Out

By
huuman
Recovery

Sleep Duration at Age 3: Guidelines, Naps & a Practical Reality Check

By
huuman
Metabolism

Can High Triglycerides Cause Weight Gain? The Real Link

By
huuman
Heart

VO2max: what it means, what counts as a good value, and how to interpret it properly

By
huuman
Frame

Cellulite Strength Training: The 12-Week Plan That Actually Makes Sense

By
huuman
Mind

Motivation for Runners: A Simple System to Run Consistently

By
huuman
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