Don’t mentally assign the same value to every single hour of your day. Instead, realize that the most valuable of those are the 3–4 hours...
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The original was posted on /r/lifeprotips by /u/Daniel96dsl on 2025-07-26 16:06:44+00:00.

Don’t mentally assign the same value to every single hour of your day. Instead, realize that the most valuable of those are the 3–4 hours when you have peak mental energy. In that time frame, schedule your important decision-making, mentally-intensive work, and emotionally taxing tasks. Save the busy/mindless work for other times in the day.

Figured this one out while working on my PhD. I realized that between the hours of ~9:30am—2pm and between 10pm—2am (when it’s quiet), I’m mentally sharpest. That’s when I do my research and critical thinking. Only after/before that do I handle busy work, check emails, write up results, etc.

TLDR: Every hour of your day is not equally valuable. Prioritize the most difficult mental tasks for when you’re most alert.