You’re tracking everything for your health. Sleep stages, heart rate, recovery, workouts, nutrition. And yet some days still feel off. Same habits, same discipline, wildly different results. That’s not a motivation problem. It’s a timing problem. Most health and performance tools are great at telling you what already happened. How long you slept, how many […]
This weekend, not only do we have Halloween — the one night a year when staying up late and eating your body weight in sugar is socially acceptable — but it’s also the end of DST (Daylight Saving Time). When the clock strikes 2:00 a.m. on Sunday, it becomes 1:00 a.m. again. One extra hour […]
We’ve all done it: sleeping until noon Saturday and Sunday, only to feel awful Monday morning. So, is sleeping in good or bad? The truth is—it depends. When Sleeping In Helps If you’re truly sleep deprived (five hours or less during the week), research shows weekend catch-up sleep can lower your risk of dying early. […]
You know that 3 PM cup of coffee that feels like survival fuel? It might still be working overtime long after you’ve shut your laptop, brushed your teeth, and are lying in bed wondering why sleep won’t come. Enter the Caffeine Calculator in Arcashift: an interactive feature that lets you see how that last cup […]
Ready for a tour of what actually happens when you skip sleep? Here are some real, actual sleep deprivation studies from the last century, and what people did during them. When Staying Awake Becomes Performance Art In 1959, Bliss et al. kept seven medical students awake for 72 hours straight, because medical school apparently wasn’t […]
Let’s talk melatonin. Or, as I like to call it (to the confusion of my friends and loved ones): negative light. What I mean is this: This doesn’t mean darkness = melatonin. You need darkness at the time your body wants to make melatonin. For most of us, this happens at night. You can expect […]
Ever find yourself staying up later on the weekends, then dragging through Monday like you’ve flown cross-country? That mismatch between your weekday and weekend sleep schedules has a name: social jet lag—and it’s not great for your health. In a study our CEO (Olivia Walch) co-authored, they looked at Twitter activity (a rough stand-in for […]
Ever wonder if sleeping less actually makes you more likely to get sick? The answer is: absolutely. In one study, researchers tracked people’s sleep for two weeks, then exposed them to the common cold virus (yes, really). People who slept less than 7 hours were nearly 3 times more likely to get sick. And those […]
You fall asleep just fine… but then suddenly you’re wide awake at 3:00 AM, staring at the ceiling. Sound familiar? If this happens often, your internal clock, or circadian rhythms, might be playing a bigger role than you think. Let’s break it down with an analogy. Your Sleep System is Like a Water Cooler Picture […]
Sleep myths are everywhere, and let’s be honest—some of us might still follow the advice we heard once in passing, but was it ever true? These misconceptions could be messing with your rest, so let’s set the record straight on five big ones. ❌ Myth: “Drinking coffee in the afternoon won’t affect your sleep.” ✅ […]
