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All issues

Everything we’ve sent. In order.

Every issue stays in the archive. The science does not expire.

today’s issue

Sep 18, 2026

The amino acid that lowers your body temperature from the inside

All issues

Everything we’ve sent. In order.

Every issue stays in the archive. The science does not expire.

today’s issue

Sep 18, 2026

The amino acid that lowers your body temperature from the inside

explore the archive

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Jul 22, 2026

By 3am your closed room holds three times the carbon dioxide

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Jul 20, 2026

Why you skim the surface of sleep and wake as if you barely went under

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Jul 17, 2026

The five-minute list that makes you fall asleep faster

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Jul 15, 2026

Around 3am your body starts breaking down your own muscle

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Jul 13, 2026

The molecule your brain built all day, and the thing blocking it

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Jul 8, 2026

Around 3am your body starts breaking down your own muscle

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Jul 6, 2026

Why you wake up with the day already spinning

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Jul 3, 2026

The position you fall asleep in is collapsing your airway

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Jul 1, 2026

The snack in your last hour is why you wake up hungry at 3am

The Last Hour is for informational purposes only. Nothing here is medical advice. If you have a sleep disorder, chronic health condition, or are taking medication, consult a qualified clinician before making changes to your routine.

© 2026 The Last Hour. All rights reserved.

The Last Hour is for informational purposes only. Nothing here is medical advice. If you have a sleep disorder, chronic health condition, or are taking medication, consult a qualified clinician before making changes to your routine.

© 2026 The Last Hour. All rights reserved.