15/08/2026
If you’ve ever caught yourself thinking “I used to be able to sleep anywhere,” you’ve run into a basic fact of getting older: sleep changes, and rarely for the better. The all-nighters you shrugged off at 20 become impossible at 40, and the deep, effortless sleep of youth gives way to lighter, more easily broken nights. Understanding how and why sleep shifts across the decades can help you work with it instead of fighting it. Here’s how sleep changes with every passing decade.
https://completewellbeing.com/in-focus/sleep-changes-20s-30s-40s/