u/n64atari

Looking for tips on burnout, mental fog / fatigue management signals

I've gotten reasonably good at recognising when I'm mentally exhausted after the fact. The short temper, the inability to concentrate, the feeling that everything takes twice as much effort. The problem is I usually notice it hours after I should have slowed down and I feel like I waste time either trying to recover or force myself into concentration.

What I've never been able to do reliably is catch it early. The 30–60 minutes before I've crossed the threshold into "actually struggling," when a real break or a walk or just stepping away from a screen would reset things. Instead I push through, the quality of my thinking deteriorates quietly, and by evening I'm running on fumes.

I've tried mood tracking apps. The problem is they require me to notice and record how I feel which is exactly the thing I'm bad at when I'm depleted or I don't know when is the best time to reflect or intervene and if that'd disrupt my flow.

I know wearables track physical stress (HRV, heart rate). Has anyone come across anything that tracks mental or cognitive state in a similar way? Or have their own method / system thats just a kind of early warning system for my own mental capacity. Thanks!

To start offm, this isnt a diet post but rather just wanting to know general tips.

I've been tracking my mental clarity in the mornings for a few months just a simple subjective score, 1–10, logged before I've had coffee or checked my phone. Alongside that I log what I ate the previous evening.

Ofc theres certain foods reliably produced sharper, calmer, focused periods. Others even if they didn't feel like a "bad" meal produced foggy, slow-to-start days. But yes there's no definite correlation as there are other lifestyle choices that contribute to focus/energy.

I know there is gut-brain research to back this up. The vagus nerve connects the gut and brain directly, and the microbiome influences the availability of serotonin and other brain chemicals. It's one thing to read about it but I wonder if it's another to see it in your own data.

What are people's techniques or approaches to this? Are there trackers or wearables that closes this loop properly like tracking cognitive state passively through the day so I could see not just "I feel good today" but when the quality of my thinking is highest and what preceded it.

Has anyone else been tracking the food-cognition connection thats also convenient for daily accountability? Curious whether this pattern holds for others or whether I'm just noticing what I want to notice.

For years I structured my day around time: 90-minute blocks, Pomodoro, time-boxing everything. The assumption was that effort applied in a block equals output produced.

What I eventually figured out is that the variable isn't time but it's cognitive state. Two hours of fragmented, half-distracted work produces less than 40 minutes of genuine flow. And the difference isn't discipline or willpower. It's whether my brain is actually in the right state.

What I think is when I'm learning to notice the early warning signs of mental fatigue/energy until it happens, like when thinking subtly starts to feel more like pushing than flowing vice versa. Especially with fatigue or distraction, I notice times where sentences take longer to form / re-reading paragraphs multiple times or intuitively reaching for my phone without needing to.

I think acknowledging the signals and treating them as real information is one step to signal what I should do next like exercising, taking a break or going outside. But I think i'm still having to figure out what is the right type of energising rest to continue carrying on lighter task that doesn't make me super relaxed or super high cortisol that it becomes stressing.

I was wondering if anyone uses a wearable that catches this passively. Something that notices I'm approaching cognitive fatigue before I consciously register it, so I can make the call to rest before I've already lost the next hour.

I'm exploring building something that fills this gap like something you wear that tells you your mental state in real time and is private-first. Something that's not like a mood tracker (which requires you to notice and report) but passively, the way Oura tracks your sleep without you doing anything.

Specifically curious about:

• Do you find your body metrics (HRV, readiness) actually predict your cognitive performance? Or is there a gap?
• Would real-time mental state awareness change how you structure your day?
• What would make you trust or not trust a device like this?
• Are there any wearables that are doing a good job at addressing the attention problem already?

This community's input would genuinely shape what's the best way to build something useful.  Genuinely trying to understand whether this is worth building. Brutal honesty welcome! Thank you!!

Been experimenting with stacks for about two years. The problem I keep running into: how do I actually know if something is working beyond subjective feel? I think there are many factors that can enhance an experience too depending on the person, lifestyle...etc

I track my sleep with Oura, my stress with HRV/whoop. But when it comes to the cognitive effects of what I'm taking — focus, clarity, that particular quality of thinking where ideas connect easily, taskswitching — I'm essentially just guessing and living intuitively based on how I feel in the moment.

I think sometimes the 'how i feel' is even unreliable too. I want to find something that tells me if i'm actually building focus or caffeine-energised or if i'm associating productivity haphazardly. I don't know how to explain the difference, just that I feel it but I cant measure it. And alleviating the guesswork would significantly lift off the cognitive load of thinking about what lifestyle choices would be beneficial for my energy long term.

I'm exploring building something that fills this gap like something you wear that tells you your mental state in real time and is private-first. Something that's not like a mood tracker (which requires you to notice and report) but passively, the way Oura tracks your sleep without you doing anything.

Has anyone found a wearable or tool that gives you real-time feedback on your mental state — not just HRV or sleep, but something closer to focus/stress/fatigue in the moment? Curious whether this exists at a consumer level yet or whether we're still stuck guessing.

Specifically curious about:

• Do you find your body metrics (HRV, readiness) actually predict your cognitive performance? Or is there a gap?
• Would real-time mental state awareness change how you structure your day?
• What would make you trust or not trust a device like this?
• Are there any wearables that are doing a good job at addressing the attention problem already?

This community's input would genuinely shape what's the best way to build something useful.  Genuinely trying to understand whether this is worth building. Brutal honesty welcome! Thank you!!

I'm a founder exploring the idea of building something that fills this gap like something you wear that tells you your mental state in real time and is private-first. Something that's not like a mood tracker (which requires you to notice and report) but passively, the way Oura tracks your sleep without you doing anything.

Have you found anything that does this already? And what would you need to see in terms of data quality, privacy, form factor to actually trust and use something like this?

Specifically curious about:

• Do you find your body metrics (HRV, readiness) actually predict your cognitive performance? Or is there a gap?
• Would real-time mental state awareness change how you structure your day?
• What would make you trust or not trust a device like this?
• Are there any wearables that are doing a good job at addressing the attention problem already?

The existing consumer options (Muse, Emotiv, NeuroSky) all have meaningful limitations. Before I commit to a particular direction I'd love to hear from people who actually use neurofeedback: what's the biggest gap? What do existing devices get wrong — form factor, feedback quality, the software, how results are communicated to non-technical users?

Not trying to sell anything. Genuinely trying to understand whether this is worth building. Brutal honesty welcome.

I've tracked sleep, HRV, glucose, and activity for years. The thing I've never been able to measure well: what's actually happening in my brain during the day. Am I in flow or just awake and when do I best engage into a deep level of engagement in cognitively intense content vs. creativity? And when do I approach fatigue or fine for another hour?

I'm exploring building something that fills this gap like something you wear that tells you your mental state in real time and is private-first. Something that's not like a mood tracker (which requires you to notice and report) but passively, the way Oura tracks your sleep without you doing anything.

Would love to hear from people who've gone deep on QS: is this a felt gap? Have you found anything that does this already? And what would you need to see in terms of data quality, privacy, form factor to actually trust and use something like this?

Specifically curious about:

• Do you find your body metrics (HRV, readiness) actually predict your cognitive performance? Or is there a gap?
• Would real-time mental state awareness change how you structure your day?
• What would make you trust or not trust a device like this?
• Are there any wearables that are doing a good job at addressing the attention problem already?

This community's input would genuinely shape what's the best way to build something useful.  Genuinely trying to understand whether this is worth building. Brutal honesty welcome! Thank you!!

I've been deep in self-tracking for a few years and kept running into the same gap: Oura tells me how my sleep/body recovered and WHOOP tells me my physical strain. I'm struggling to reconcile with what my mind is like and focus in general.

So I'm trying to build something to address this like a wearable that passively detects whether you're focused, fatigued, in a creative state, or approaching a crash, and gives you a nudge before you've lost the window.

Before I get too far down this path I genuinely want to know: is this a real problem for people in this community, or am I solving something that doesn't actually bother anyone?

Specifically curious about:

• Do you find your body metrics (HRV, readiness) actually predict your cognitive performance? Or is there a gap?
• Would real-time mental state awareness change how you structure your day?
• What would make you trust or not trust a device like this?
• Are there any wearables that are doing a good job at addressing the attention problem already?

Not trying to sell anything. Genuinely trying to understand whether this is worth building. Brutal honesty welcome! Thank you!!