---
title: "3 a.m wakeups — Sleep Science Academy"
url: https://sleepscienceacademy.com/category/3-am-wakeups/
description: "Articles in the 3 a.m wakeups category."
lang: en
---

# 3 a.m wakeups

Insomnia Nighttime Cortisol Sleep Anxiety

## Nighttime Cortisol and Insomnia: What's Waking You Up and How to Stop It

Learn how nighttime cortisol can affect sleep, why you may wake up alert in the early morning hours, and what science-backed habits may help calm your system.

Devin Burke · June 3, 2026 · 11 min read
https://sleepscienceacademy.com/blog/3-am-wakeups/nighttime-cortisol-insomnia/

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