Bedtime Consistency and T1D: Why Timing Beats Total Hours for Blood Sugar Control

SHOW NOTES:

You've been told to get eight hours. Here's what the research actually found.

A 2023 study of 76 adults with type 1 diabetes tracked both CGM and sleep data for one week. The finding: sleep duration alone was not independently associated with time in range. What was? Bedtime consistency. Every extra hour of variability in bedtime was associated with roughly 10% less time in range. Your CGM noticed. It was taking notes.

This episode reframes the sleep conversation for T1D: it's not just about how much you sleep. It's about when. Your body doesn't know it's Saturday. Your cortisol doesn't know it's Saturday. Only your social calendar knows it's Saturday -- and your social calendar is not in charge of your A1C.

We're in Week 3 of the While You Were Sleeping Challenge.

In this episode:

The 2023 T1D sleep study and what it actually measured
Why six people who each got 7 hours got six different results
What bedtime consistency means practically -- and why it matters more than total hours
Why weekend sleep timing is where this breaks down for most people
The 60-minute window and why it works

This Week's Challenge: Try to go to bed within a 60-minute window of the same time, three nights this week. Not all seven. Just three.

Helpful resources and newsletter: https://yourbestt1dyear.com

Connect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.com

Books on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

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