How the Time Change Affects Your Brain

Changing the clock takes a second, but your biology does not update instantly. Kristin Graham explains how light sets your circadian rhythm, signaling awake mode and regulating attention, sleep, and mood.

Learn practical adjustments to counter dark mornings, including simulated sunrise tools and deliberate morning light routines that ease transition fatigue.

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Want more sleep info?

Check out The First 30 Minutes for more on morning light, melatonin, and circadian rhythm, and Brain Bookends for more on how the beginning and end of your day affect your brain.

Looking for a little help with sleep?

There’s certainly no shortage of products promising a better night’s sleep. I’ve pulled together some of the ones I use, like, or find interesting in my curated Sleep List on Amazon.

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