Gel foam mattress: is it really worth it?
Gel foam promises cooling and adaptability. What's behind the material, what it can do, and where marketing and reality diverge.
Cold foam density (RG): what the number really means
The density in kg/m³ is the most important quality indicator for foam mattresses. What RG 30, 40 or 50 means and why it has nothing to do with firmness.
Bonnel spring or pocket spring: what's the difference?
Bonnell spring and pocket spring look the same from the outside, but feel completely different. A comparison of their construction, point elasticity, and suitability.
Sleeping in the Heat: How to Get Some Rest During a Heatwave
Sleeping in heat works when body core temperature, room climate, and bedding work together. The most effective measures for hot summer nights.
How to correctly interpret mattress test winners: what really matters
Test winner seals are convincing – but what lies behind them? Here's how to properly read mattress tests and recognize which results are even relevant to you.
Why mattress firmness ratings are outdated
Hardness levels H1 to H5 sound precise, but they are not standardised. Why this concept is outdated and what you should really look for when buying a mattress.
One mattress for all: what's behind the concept?
A mattress for everyone: Why firmness levels are the wrong criterion, how adaptive foam works, and for whom the principle has its limits.
Cheap vs. expensive mattress: What's the difference?
Cheap mattress or expensive model? What really determines the price, at what budget quality begins, and where more money no longer makes a difference.
Mattress lifespan: how long do they really last?
Mattress lifespan: How long different materials last, how to spot wear and tear, and how to extend its life by years.
Mattress Sleep Trial: How to Make the Most of Your 200 Nights
Mattress Trial Sleep: Why ten minutes in the store tells you nothing, how the adjustment period works, and how to make the most of your 200 nights.
Bedtimes for Children: When to Go to Bed?
Bedtimes for Children by Age: How much sleep children need, how to calculate bedtime backwards, and what helps with evening resistance.
Baby Mattress and Safety: What's Important?
Baby Mattress and Safety: Why firm and flat is crucial, how big the gap to the bed can be, and what rules apply to safe baby sleep.
Cooling your bedroom in summer: what really works
Cooling the bedroom in summer: The right ventilation strategy, effective shading, and what really helps with fans, bedding, and mattresses.
Sleep and Depression: What's the Connection?
Sleep and depression are mutually influential. What sleep patterns are typical, what the connection means, and when you should seek help.
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.