Clarissa

Histamine Intolerance and Sleep: Why You Wake Up Congested, Itchy, or Wired

You’re lying in bed, exhausted, and your body does something strange. Your nose starts to stuff up. Your skin begins to itch — not everywhere, just in patches, or around the face and scalp. Your heart rate feels slightly elevated. You might feel warm without sweating. And your brain, despite your desperate exhaustion, is buzzing […]

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Cortisol and Sleep: What Happens When Your Stress Hormone Won’t Drop at Night

Cortisol gets blamed for everything. Stressed? Cortisol. Can’t sleep? Cortisol. Gaining weight? Cortisol. The wellness internet has turned it into a villain — something to be suppressed, detoxed, or hacked out of existence. But cortisol isn’t the enemy. You need it. Without it, you can’t wake up in the morning, respond to emergencies, regulate blood

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SIBO and Sleep: Can Small Intestinal Bacterial Overgrowth Cause Insomnia?

You’re bloated after every meal. Your stomach distends like you’re six months pregnant after eating a salad. Gas is constant and embarrassing. You’ve cut out gluten, dairy, FODMAPs, and half the foods you used to enjoy — and the bloating persists. And somewhere alongside the digestive misery, your sleep fell apart. Not dramatically. Gradually. Lighter.

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Iron Deficiency and Sleep: The Most Missed Cause of Restless Legs and Insomnia

Your legs won’t stop moving. An irresistible urge to shift, flex, kick — worst right at bedtime when you desperately need to be still. Or maybe it’s not the legs specifically — maybe it’s a generalised restlessness, a sense that your body is simultaneously exhausted and unable to settle. You’ve tried magnesium. Tried melatonin. Tried

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Perimenopause and Insomnia: Why Sleep Falls Apart After 40 (and What to Do)

You used to sleep. Solidly, deeply, without thinking about it. Then somewhere in your late thirties or forties, something shifted. Maybe gradually — sleep getting lighter month by month, waking once a night, then twice, then lying awake at 3 a.m. wondering what happened to the person who slept through thunderstorms. Or maybe suddenly —

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