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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

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Aug 1, 2026

The serotonin link between how you sleep and how you wake

All issues

Everything we’ve sent. In order.

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

today’s issue

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Aug 1, 2026

The serotonin link between how you sleep and how you wake

explore the archive

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Jul 30, 2026

Acid can wreck your sleep all night without one second of heartburn

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Jul 28, 2026

Why you wake foggy with a dry mouth after a full night

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Jul 24, 2026

Smell is the only sense wired straight into your emotional brain

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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

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.