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Now to look at what days this gets back, and check what the sleep scores for those days was. Surprise, surprise. It's pretty much the same dates we got in the initial query. This confirms that the intuition/hypothesis was pretty much spot on and I can "predict" my sleep score with simple math

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Finally, the experiment. Can it be as simple as just making a basic formula around sleeping times and heart rate? I build a query looking at deep sleep over 1.5 hours, heart rate under 60, and sorting by highest REM time:

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Looking a bit deeper at these days, and at the fields I already suspect had a pretty high influence on the scores, we notice some consistent values:

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Now comes our tiny data science experiment or hypothesis. I gathered the days with the highest sleep scores with a simple sort on the score field. sort="readiness.score:desc"

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Step 2: we need a few lines to add the new data into an elasticsearch index so we can look through it easily. This was also super easy - as it tends to be with json files - so we didn't need any additional mapping or data processing steps.

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First up I found the Oura developer API and got a quick dump of my activity/sleep data. Oura itself seems to have the most restrictive native way to look at your data (vs fitbit or garmin) so this is already a great find/idea if you want some more insights!

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Iulia Feroli @iuliaferoli.com · 07/01/2025

Today I dove into my activity tracker data; specifically, the sleep score that Oura calculates daily. The intuition/assumption about it is pretty simple - more deep sleep and lower heart rate correlate with better scores. Is it that simple? Let's take a look in a quick data science experiment

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This can also become an unofficial Taylor Swift specific era dashboard 😂 (if you get your hands on your swiftie friends’ data)

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Iulia Feroli @iuliaferoli.com · 07/01/2025

New year new project. I've been seeing lots of comments about the ~accuracy~ of spotify wrapped at the end of 2024 - so I've decided to build my own with #elasticsearch It's actually super easy to put together and you can do way more drilling into your trends/taste over time <3 Blog coming soon!

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Iulia Feroli @iuliaferoli.com · 05/12/2024

Let's keep it positive. First dig into "starter pack" since I think it's such a cool feature on bsky! These are some of the most positive posts about it so far. Curious to get some aggregations on most popular starter pack topics 💭🤔

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Iulia Feroli @iuliaferoli.com · 04/12/2024

and if anyone was wondering: puppies ---> 😐 puppies!!! ---> 🥳

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Iulia Feroli @iuliaferoli.com · 04/12/2024

For balance sake, here are some positive-sentiment posts around twitter as well 😁

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Iulia Feroli @iuliaferoli.com · 04/12/2024

Started playing with huggingface and elasticsearch and I found this really cool dataset of 2M bluesky posts. I can now *factually* confirm that a lot of people just use bluesky to talk about twitter 😅 Starting to look into the sentiment of these posts next. I'll share any interesting insights 😉

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Iulia Feroli @iuliaferoli.com · 26/11/2024

If this doesn’t fully embody the spirit of “devs will just find a way to make it work” DYI vibes, I don’t know what does 😂 This is my 4k vlogging camera we duct taped to a wall. Aka our top of the line conference recording system. You can always find a way. 🎥🩵

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Iulia Feroli @iuliaferoli.com · 26/11/2024

Elastic founder Shay Banon and Search general manager Steve Kearns running the “ask me anything” at #elasticon

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Three of us from the Elastic #devreal team in one country at the same time almost never happens! 😍😍 so excited to have @pilato.fr and Adrienne in Amsterdam

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@pilato.fr kicking off our Amsterdam Meetup with an overview of latest 8.16 features. From BBQ, chunking options, and uploading pdfs for automated semantic search to AI assistants and smarter log analytics 😉

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Calm before the storm. Talk about an amazing venue 😍 Everything is getting set up for #elasticon tomorrow in one of the most iconic Amsterdam location - the old stock exchange Beurs van Berlage. See you soon! #elastic #elasticsearch #search

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#elastic is taking over Amsterdam this week! Our biggest #elasticon event in EMEA is kicking off tomorrow at Beurs van Berlage and tonight we’re hosting a meetup at our office in the center 🫎🩵🔎 Hope to see a lot of you this week!

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No matter how many fancy toys we get her it will never live up to her one true love - our old broom.

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Wearing the "helper node" volunteer tshirt on the new episode of #elasticsearch101 about Node Architecture in Elastic is tickling my brain the right way 🧠🔎. And yes, I also have the exact logo shades of candles in there too. There's no such thing as doing too much 😅

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And the #BTS sneak preview of course 😉🫎🔎

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