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Saunas lower nighttime heart rate more than exercise (n=59,000)

Saunas lower nighttime heart rate more than exercise (n=59,000)

by kyriakosel·Apr 20, 2026·448 points·236 comments
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AI Analysis

○PassDark Horse

Interesting wearable data analysis, but this is a blog post not a product.

Strengths
  • •59,000 daily records from 256 users provides meaningful sample size
  • •Controls for exercise activity to isolate sauna's physiological effects
Weaknesses
  • •Research article without any tool or product to actually use
  • •Show HN expects build projects, not company blog content
Category
Health
Target Audience

Health researchers and wearable data enthusiasts

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