Running a fan at night: is it healthy?
Fan at night: does it really cool, is draught unhealthy, and which type is the quietest? The practical guide for hot nights.
Street noise while sleeping: what really helps?
Street noise robbing you of sleep? From soundproof windows to curtains, earplugs, and white noise: an overview of the most effective measures.
Ban your phone from the bedroom: why is it worth it?
Phone in the Bedroom: How Blue Light, Doomscrolling, and Nightly Checks Disrupt Sleep, and How to Successfully Ditch Your Smartphone in Bed.
Aligning your bed correctly: which direction should your head face?
Aligning Your Bed with the Cardinal Directions: What Tradition and Research Say About Where Your Head Should Point, and What Factors Truly Matter.
Why do we wake up exhausted in the morning?
Waking up groggy despite enough sleep? The most common causes, from sleep inertia to sleep quality, and what really helps in the morning.
What's the ideal time to wake up?
When is the ideal wake-up time? This is how you can calculate your alarm time based on sleep cycles and wake up refreshed instead of groggy.
Progressive Muscle Relaxation: Instructions for Better Sleep
Jacobson's Progressive Muscle Relaxation: How tensing and releasing muscles helps you fall asleep – with a complete step-by-step guide for bed.
Breathing Exercises for Better Sleep: 5 Techniques to Help You Fall Asleep
From the 4-7-8 method to box breathing: These five breathing exercises calm the nervous system and have been proven to help with falling asleep – with step-by-step instructions.
The Perfect Evening Routine: How to Prepare Your Body and Mind for Restful Sleep
A Solid Evening Routine Is the Key to Better Sleep: Learn How Simple Rituals Can Help You Wind Down Optimally in 60 Minutes – Including a Sample Plan.
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.