#Sleep December 4
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In December 2025, many of us will take part in the 30-Day Rewind Coach4aday Challenge. Each day, we’ll rewind, review, reflect or—in my case—re-blog one of my nearly 4,000 posts that highlight experiences shaping us into better versions of ourselves. If you don’t have a blog, your reflections can come from a journal or even a meaningful memory tied to something learned, a goal reached, or a personal effort to improve. These daily habits of looking back will serve as a powerful springboard for taking on a new and ambitious challenge in 2026. Today my rewind is on the superpower of SLEEP.
On October 22, 2019, I wrote a post exploring the question, “What is the most important trait of successful college students?” My answer surprised some readers. It wasn’t class attendance, hours in the library, or even taking advantage of tutors—it was the superpower of maintaining regular sleep habits.
Science points out that the lack of regular habits related to our sleep is going to produce stress. That stress is going to impact our performance including learning.
Rewind-30 Day Challenge Guidelines
As with previous challenges, participants are encouraged to adapt the guidelines to fit their own circumstances. If you can, commit to sharing a rewind, review, or reflection during the month of December.
- Rewind, review, or reflect on a past effort to improve, a lesson you learned, or a goal you accomplished.
- Share with a challenge partner if you have one.
- Join the conversation by posting on social media with the hashtag #Coach4adayChallenge
December 4th-Sleep
There is a fantastic TedTalk by Dr. Matt Walker who is a brain/sleep scientist. He has shared his research on the importance of sleep on television and radio outlets including CBS’s “60 Minutes,” National Geographic, NOVA Science, NRP and the BBC. He also has a website called Sleep Diplomat.
Take time to listen to the video below and tap into the superpower of SLEEP. You need it.
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