The archive

Research, reviews, and guides for better sleep.

This is the main reading archive for Look What I Dig, with articles on sleep products, supplements, routines, and the occasional bridge into productivity and biohacking.

Sleep

Best Cooling Mattress Pad for Hot Sleepers (Without the $2,500 Price Tag)

April 29, 2026 · 3 min read

Sleeping hot is one of the most common sleep disruptors and one of the easiest to fix. Your core body temperature needs to drop to initiate sleep — a mattress…

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Sleep

Ashwagandha for Sleep: What the Research Actually Says

April 29, 2026 · 2 min read

Ashwagandha has gone from an obscure Ayurvedic herb to one of the best-selling supplements in the world. The sleep claims have followed the popularity — but what does the research…

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Sleep

Best Pillow for Sleep in 2025: Why Your Pillow Matters More Than You Think

April 29, 2026 · 2 min read

Most people spend thousands on mattresses and almost nothing on pillows. This is backwards. Your pillow determines your spinal alignment for 8 hours a night. Get it wrong and you’ll…

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Sleep

L-Theanine for Sleep: Does It Actually Work? (The Research)

April 29, 2026 · 3 min read

L-theanine is one of the most popular sleep supplement ingredients in the world. It’s in dozens of combination products, recommended by biohackers, and backed by a growing body of research.…

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Sleep

Best Sleep Mask in 2025: Total Darkness Without the Discomfort

April 29, 2026 · 3 min read

A good sleep mask is one of the cheapest, most effective sleep interventions available. A bad sleep mask is something you take off at 2am because it’s pressing on your…

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Sleep

Eight Sleep Pod Review: Is a $2,500 Smart Mattress Cover Worth It?

April 29, 2026 · 3 min read

The Eight Sleep Pod is the most talked-about sleep product in the biohacking world. It’s also $2,500 minimum — more than most people spend on their entire bed setup. So…

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Sleep

Best White Noise Machine for Sleep in 2025: I Tested 5 (One Dominates)

April 29, 2026 · 3 min read

I live on a noisy street. Traffic, neighbors, the occasional 3am argument — for years I accepted disrupted sleep as the price of city living. Then I got serious about…

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Sleep

Sleep Divorce: Is Sleeping in Separate Beds Actually Good for Your Relationship?

March 20, 2026 · 2 min read

The term sounds alarming. Sleep divorce — deliberately choosing to sleep in separate beds or rooms from your partner — has become one of the most searched sleep topics of…

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Sleep

Best Blackout Curtains for Sleep in 2025: I Tested 5 (One Is a Clear Winner)

March 17, 2026 · 2 min read

Light is one of the most powerful disruptors of sleep quality — and one of the easiest to fix. Even low levels of light during sleep suppress melatonin and reduce…

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Natural sleep supplements flat lay - magnesium, chamomile, lavender
Sleep

Best Sleep Supplements for Anxiety: What Actually Works When Your Mind Won’t Quit

March 17, 2026 · 2 min read

Anxiety-driven insomnia is different from regular insomnia. You’re not tired but wired — physically exhausted but mentally hyperactive. Standard sleep advice like “practice good sleep hygiene” misses the point entirely…

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