#174 - Hydration and Sleep: It's In The Water
Update: 2025-10-20
Description
We talk endlessly about caffeine, alcohol, and sleep—but what about plain old water? In this episode, we will:
- Dive deep into the fascinating relationship between hydration and sleep quality
- Explore how dehydration disrupts sleep architecture—raising heart rate, cortisol, and even airway resistance
- Learn how hydration supports thermoregulation, helps maintain slow-wave sleep, and prevents the dry-mouth awakenings familiar to CPAP users and frequent flyers
- Break down the latest research, from studies showing that short sleepers have higher urine osmolality
- Find out strategies for timing and optimizing hydration for better nights
Produced by: Maeve Winter
More
- Twitter: @drchriswinter
- IG: @drchriwinter
- Threads: @drchriswinter
- Bluesky: @drchriswinter
- The Sleep Solution and The Rested Child
Thanks for listening and sleep well!
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