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Serotonin and sleep are connected, but not in the simple “more serotonin equals more sleepy” way that most wellness content suggests. Well-established neuroscience shows serotonin’s primary, direct role in the classic sleep-wake system is to promote wakefulness and actively inhibit REM sleep, the opposite of a sedative. What’s true is that serotonin is the essential
Serotonin and Sleep: The Myth vs. the Actual Science Read More »
Most advice about blue light exposure gets the problem backwards. The useful question isn’t whether blue light exists, it’s when you take it in, how much you get, and what wavelength dominates the source. That distinction matters for executives and founders who need sharp mornings and protected nights. Daytime blue light can support alertness and
Blue Light Exposure: A Guide to Better Sleep & Performance Read More »
Bloating and sleep are connected largely because your gut has its own internal clock, and digestion naturally slows down at night as part of a normal circadian rhythm, not a malfunction. On top of that expected slowdown, poor sleep itself can independently impair gut motility and increase sensitivity to digestive discomfort, meaning a bad night’s
Bloating and Sleep: Why Your Stomach Feels Worse at Night Read More »
Most advice on racing thoughts at night starts in the wrong place. It treats the problem like a vague anxiety issue, then hands you breathing exercises and hope. For a high performer, that misses the underlying mechanism, cognitive hyperarousal, a state where the brain stays in problem-solving mode even when the body is ready for
Racing Thoughts at Night: A High-Performer’s Protocol Read More »
IBS and sleep are genuinely connected, but the direction of that connection is more specific than most people assume. Research reviews consistently find that poor sleep predicts worse IBS symptoms the next day, while good evidence for the reverse, IBS symptoms directly causing poor sleep that same night, is weaker than commonly believed. Up to
IBS and Sleep: The Real Direction of the Link Read More »
You wake up at 2:17 AM, look at the ceiling, and feel the familiar jolt. Your mind starts scanning the next day, your body stays tired, and the harder you try to force sleep, the more awake you feel. That’s the core “go back to sleep” problem, not a lack of discipline, but a bad
How to Go Back to Sleep After Waking at Night Read More »
Postpartum insomnia is genuine difficulty falling asleep, staying asleep, or returning to sleep after waking, and it’s distinct from the expected sleep fragmentation that comes from caring for a newborn. Research shows about two-thirds of postpartum women experience poor sleep quality, driven by a steep drop in progesterone and estrogen right after birth, disrupted melatonin
Postpartum Insomnia: Why It Happens and What Helps Read More »
Mouthguards can help snoring, but the average snoring reduction is about 45%, and up to 63% of mandibular advancement device users reported that they stopped snoring in a recent study. The catch is simple: many people buy the wrong kind of mouthguard, so they get comfort without real airway improvement. Table of Contents Why Most
Do Mouthguards Help Snoring? a High-Performer’s Guide Read More »
PCOS and sleep are connected in a way that’s more specific than most people expect: the strongest, most consistent evidence links polycystic ovary syndrome to a dramatically higher risk of obstructive sleep apnea (OSA), not just generic “poor sleep.” One landmark study found PCOS patients were roughly 30 times more likely to have sleep-disordered breathing
PCOS and Sleep: The Sleep Apnea Link Explained Read More »
Most advice on deep sleep is lazy. It tells you to “sleep better,” buy a colder pillow, and hope your wearable stops insulting you. That’s backwards. If you want to improve deep sleep, stop chasing a single stage score and start protecting the conditions that create it. Healthy adult deep sleep is only about 10%
How to Improve Deep Sleep: 2026 Protocol Read More »
