r/QuantifiedSelf
26k members
r/QuantifiedSelf is a subreddit with 26k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses tracking, data, health, app, and sleep, and they frequently recommend/review sleep tracker, fitness watch, and smart watches.
Popular Themes in r/QuantifiedSelf
#1
Solution Requests
: "I want to share how I use "Excel" to track habits and metrics"
15 posts
#2
Advice Requests
: "Dad just died of a heart attack at 60. Heart Attacks took every man on his side. What can I do? 36M"
12 posts
#3
Self-Promotion
: "I synced my Garmin data with my personal website"
6 posts
#4
Ideas
: "A simple model I’m experimenting with to turn HRV/sleep/activity data into daily decisions"
2 posts
#5
Money Talk
: "3 wearables/devices I spent money on that actually felt useful in managing stress, sleep and focus"
2 posts
#6
Pain & Anger
: "Is anyone else spending way too much time exporting CSVs just to see how their life is going?"
1 post
Popular Topics in r/QuantifiedSelf
#1
Tracking
: "Tracking my 2026"
72 posts
#2
Data
: "7 years of HRV Data, still averaging ~35 ms. What actually moves the needle?"
45 posts
#3
Health
: "me trying to make sense of all my Health data"
40 posts
#4
App
: "I turned the spreadsheet I shared here before into an App. Would like to hear you feedback"
34 posts
#5
Sleep
: "3 wearables/devices I spent money on that actually felt useful in managing stress, Sleep and focus"
18 posts
#6
Wearables
: "3 Wearables/devices I spent money on that actually felt useful in managing stress, sleep and focus"
15 posts
#7
Wearable
: "What Wearable would help me understand complex topics in meetings discretely?"
14 posts
#8
Hrv
: "I correlated my Hrv against everything I measure for 4 years."
14 posts
#9
Fitness
: "Tried Mave headset, good experience till now"
9 posts
#10
Ai
: "What would actually make your wearable data useful to you day to day"
6 posts
Products Discussed in r/QuantifiedSelf
Sleep Tracker
5 reviews
#1
Oura
4.0★ from 1 review
#2
Eight Sleep Pod Pro
5.0★ from 1 review
#3
Beddit
4.0★ from 1 review
Fitness Watch
1 review
#1
Garmin
4.0★ from 1 review
Smart Watches
1 review
#1
CMF
3.0★ from 1 review
Member Growth in r/QuantifiedSelf
Yearly
+8k members(45.9%)
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About
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Last updated: July 3, 2026