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I’ve been trying ashwagandha before bed. In my notes, the amount is 600 mg, and the thing that caught my attention was a change in Whoop’s stress readings during sleep.

After training, I had been seeing roughly 5–10% of the night classified as medium or high stress. During the period I was taking ashwagandha, that was closer to 0%.

That’s interesting to me, but it isn’t proof that the supplement caused the change. Training intensity, sleep habits, normal variation, and the wearable’s own estimates all make that conclusion much less straightforward.

A reading isn’t the whole story

Ashwagandha is an herbal supplement, often marketed for stress and sleep. Some studies suggest potential benefits, but products and study methods vary. A Whoop stress classification isn’t a direct measure of sleep quality or a clinical test of whether an herb works.

The 600 mg figure is a record of what I took, not a recommended dose. Different extracts aren’t necessarily interchangeable just because the milligrams match.

The liver concern matters

Ashwagandha has been linked to rare cases of liver injury. It can also interact with medicines and isn’t suitable for everyone, including during pregnancy. I’m not a doctor, and a reassuring wearable score isn’t a reason to brush those risks aside.

I’d discuss it with a healthcare professional before using it, including whether baseline or follow-up liver tests make sense. Normal results don’t guarantee that continuing is safe. Yellowing skin or eyes, dark urine, or other concerning symptoms are reasons to stop and seek medical advice.

What I can actually say

My overnight stress readings looked different during this period, and I was interested in whether I felt more rested. I can share that without calling it a proven treatment or recommending that someone else copy the routine.

There are lower-stakes things in my sleep routine too. I don’t want a supplement to distract from those basics.


Archive note: restored from my 2023 notes. The publication date is approximate, and products and routines reflect that period.

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