Tryptophan: What does the sleep-building block really do?
Tryptophan and Sleep: How the Amino Acid Becomes Melatonin, Which Foods Provide a Lot of It, and What Supplements Can Do. Facts Instead of Myths.
Eating before bed: How many hours beforehand is ideal, which snacks are allowed, and what disrupts sleep? The guide with practical tips.
Pollen allergy: How to keep your bedroom pollen-free
Hay fever steals sleep at night. Here's how to keep pollen out of the bedroom, when to ventilate, and what truly makes a difference.
Blocked Nose at Night: Quick Relief for Easy Breathing
Stuffy nose at night: Why it gets worse when you lie down, what helps immediately, how to prevent it, and when there's more behind the blockage than just a cold.
Headaches in the morning: what are the causes behind them?
Headaches in the morning often have a discernible nocturnal cause: neck issues, teeth grinding, sleep apnea, caffeine, or dehydration – the overview.
Increase deep sleep: what really helps
Increase Deep Sleep: How much deep sleep is normal, which factors reliably increase it, and why sleep trackers are often misleading.
Evening exercise: does it disturb sleep?
Evening Exercise and Sleep: Why the old 6 PM rule is outdated, how much time you should leave before bed, and which workouts truly interfere.
The best foods for good sleep – and what to avoid
Foods for good sleep: Which nutrients really help, which dinner promotes sleep, and which classics you should avoid.
Sleep Trackers & Wearables: How useful is sleep tracking really?
Are sleep trackers useful? What wearables, rings, and sensor mats can really measure, where their limits lie, and for whom sleep tracking is worthwhile.
Sleep and Blood Pressure: How Good Sleep Prevents High Blood Pressure
Sleep and blood pressure are closely linked: those who consistently get too little or poor quality sleep risk high blood pressure. This is how restorative sleep protects your cardiovascular system.
Alcohol and Sleep: Why a Nightcap Ruins Your Night
Alcohol makes you tired, but not rested: It suppresses REM sleep, promotes snoring and रात (nighttime) waking. What a nightcap really does.
The Ultimate Sleep Guide
Polyphasischer Schlaf: Ist Schlafen in mehreren Etappen sinnvoll?
Polyphasischer Schlaf verspricht mehr Zeit mit weniger Schlaf. Was Uberman, Everyman & Co. wirklich bringen, was Studien zeigen und warum die Biologie dagegen spricht.
Wasser trinken vor dem Schlafen: Wie viel ist sinnvoll – und wann zu viel?
Wasser trinken vor dem Schlafen: Dehydrierung stört den Schlaf, zu viel Flüssigkeit weckt die Blase. Wie viel wann sinnvoll ist, was nächtliche Toilettengänge verursacht und was hilft.
Sauna am Abend: Ist Saunieren gut für den Schlaf?
Sauna am Abend kann Einschlafzeit verkürzen und Tiefschlaf fördern – wenn Timing, Dauer und Abkühlung stimmen. Was Studien zeigen und wie Sie Sauna und Schlaf optimal kombinieren.