On our blog: research on cycle, sleep, mood and everyday life, explained clearly.
Four in-depth articles that carry our core promise.
Bio-Tracking & MindfulnessBody Intuition vs Sleep Trackers: Why Scores Deceive You8 min read
Cycle Biology & Daily LifeUnderstanding the 4 Cycle Phases as Inner Seasons9 min read
Neuroscience & IntuitionThe Science of Gut Feelings: Biology of Interoception8 min read
Atmosphere & Hormone HealthWeather Sensitivity & Your Cycle: How Pressure and Light Affect You8 min readWe explain research and social developments in clear language, with traceable sources, visible limitations and no medical advice.
Clearly contextualised perspectives for your own rhythm, without rigid rules and with transparent sources.
Have you ever looked in the mirror before your period and felt entirely detached from your own reflection? That sudden sense of physical estrangement can feel deeply unsettling, but it is not a sign of failure. It is simply a passing neurological response to steep hormonal shifts.
Discover how estrogen and progesterone regulate chemical messengers like serotonin and GABA in the brain. Research reveals that mood shifts rarely stem from abnormal hormone concentrations, but rather from altered sensitivity across neural networks interacting with daily stress.
When the afternoon feels heavy and your limbs ache, it is easy to wonder what your body is trying to say. We explore how to tell whether fatigue before period is simply part of your luteal phase or whether lasting depletion, low iron, or thyroid imbalances call for real support.
Missing your period during hard training is never an athletic achievement, but a serious alarm signal from your body. When high training volume meets insufficient nutrition, reproductive hormones shut down. Discover here what current scientific research reveals about this syndrome and your long-term bone health.
You do not need complicated seed charts to eat in tune with your body. Discover how familiar staple foods like pumpkin seeds and warm oatmeal can gently support you before and during your period without any added stress.
In the second half of your cycle, your body builds a fascinating temporary power plant. Within hours, remaining follicular cells transform into an active endocrine gland with dense blood flow. Discover how this rapid process unfolds, why it consumes measurable energy, and what current scientific syntheses reveal.
On a crisp Saturday in October, all you truly need is a single bowl, a few pantry staples, and fresh bread from the oven. This creamy bean spread is whipped with lemon, garlic, and good olive oil in 10 minutes to create a comforting afternoon meal for four people at the kitchen table.
You want to align your training with your cycle, but rigid plans feel overwhelming? A flexible approach guided by your daily energy keeps the joy in moving. Enjoy high-energy days for strength and intervals, while choosing gentle walks and mobility whenever your body asks for true rest.
Does cycle syncing your workouts truly build more muscle? Scientific reviews show that performance differences across cycle phases are generally small and inconsistent. For your everyday fitness, this means listening to your symptoms and staying consistent brings better results than trying to follow rigid phase blueprints.
Does daily symptom logging feel like an added chore? Taking an intentional break from cycle tracking for 1 cycle gives your mind quiet space, free from streak guilt. Here is how pausing can become an act of genuine self-care.
Many women experience severe distress before their period, yet routine blood tests come back completely unremarkable. This disconnect is confusing. Current research indicates that symptoms arise not from abnormal circulating hormone levels, but from an altered sensitivity of the brain to physiological hormonal shifts.
Tracking your rhythm should bring clarity, not pressure. When notifications and algorithms take over, we easily lose touch with our natural body signals. Discover how to view daily data as quiet support so your digital routine feels light again.
Transparent sources, visible limitations and responsible human review are part of every article.
Every article draws on several independent sources.
A real responsible person reviews the German and English versions and their source mapping together.
We name uncertainty and do not publish when the evidence is insufficient.
With the evening post we send you what is new on the blog and what has changed in the app.
10% off your first purchase
Sign up for the evening post. Your voucher code arrives by email once you confirm.
You can unsubscribe at any time.