Hormones, Stress & Sleep: Evidence-Based Guides

Thyroid, cortisol, insulin, blood sugar, sleep and circadian rhythm. 10 evidence-based guides, each written in plain English with UK context and real citations.

Hormones, Stress & Sleep

Blood sugar and mood: the glucose dip, energy crashes and what CGMs show

Blood sugar and mood: why the post-meal dip (not the spike) drives low energy and irritability, what CGMs really show in non-diabetics, and how to flatten it.

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Hashimoto's thyroiditis and subclinical hypothyroidism

Hashimoto's and subclinical hypothyroidism: what TPO antibodies mean, the path to overt disease, when NICE treats, and the real selenium and gluten evidence.

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How to read a thyroid panel: TSH, free T4, free T3 and antibodies

Read a UK thyroid panel with confidence: what TSH, free T4, free T3, reverse T3 and TPO/Tg antibodies mean, plus NICE ranges and subclinical hypothyroidism.

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How to reset your body clock with light and meal timing

Reset your circadian rhythm with evidence: morning light, a fixed wake time, dim evenings and earlier meals, and how the SCN clock, melatonin and food align.

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Insulin Resistance: The Earliest Signs and How to Reverse It

Insulin resistance precedes type 2 diabetes by years. The early markers most tests miss, what really drives it, and the evidence-based levers to reverse it.

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Leptin and ghrelin: the hormones behind hunger and fullness

Leptin and ghrelin control hunger and fullness. Why obesity is leptin resistance not deficiency, how sleep and dieting shift them, and what really works.

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Magnesium for Sleep and Stress: Which Form and What Dose

Magnesium for sleep and stress: which form (glycinate, citrate, L-threonate, oxide), what dose, the UK RNI, why serum tests mislead, and the honest evidence.

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Sleep architecture: deep sleep vs REM, and how to get more of each

Deep sleep vs REM, explained: what each stage does, how much is normal by age, what wrecks them (alcohol, heat, late meals), and how to get more of each one.

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The cortisol curve and the cortisol awakening response (CAR)

Your cortisol curve has a shape: a morning surge (the CAR) and a night-time low. What a flat curve means, how it is tested, and why adrenal fatigue is not real.

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Wired but tired: when your nervous system will not switch off

Wired but tired? Learn how chronic sympathetic dominance, cortisol and caffeine keep you on edge, and the evidence-based ways to calm your nervous system down.

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