What if the night is not lost only in the mind?
Sleep disorders are usually regarded as consequences of stress, worries, hormonal changes, wrong habits, or psychological strain. Daytime fatigue often appears as the logical consequence: too little sleep, too much screen time, too much everyday life. But what if the air in indoor spaces also plays a larger role than previously assumed? What if poor sleep, fragmented nights, inner overarousal, and leaden fatigue during the day are in some cases connected not only with ourselves, but also with the room where we sleep? The book asks exactly this question and connects it both with personal experience and with scientific indications concerning CO2, VOCs, particulate matter, and other indoor burdens.
In Dicke Luft, we do not just tell of exhaustion, sleeplessness, and the feeling of never really coming to rest, but also of the disturbing possibility that polluted indoor air could intensify or help trigger sleep disorders and daytime fatigue.
When Fatigue No Longer Goes Away
In the book, this topic begins not with a theory, but with a gradual change. Daytime fatigue, which once came and went, became a constant companion. Headaches, memory gaps, and irritability became more everyday. At the same time, a paradoxical pattern emerged: tired during the day, no rest at night. Thoughts circled incessantly while falling asleep, and eventually there was only the question of whether one could not sleep because the thoughts were circling, or whether the thoughts were circling because one could not sleep.
That combination of exhaustion and inner activation is one of the book’s central points.
Why This Topic Will Not Let Go Of Us
What makes sleep disorders and daytime fatigue so burdensome is not only the lack of sleep itself. It is the wearing down. The nights in which even the smallest noises become unbearable. The light that seems too bright even through closed eyelids. The permanent hypersensitivity that increasingly turns the bedroom into an enemy. The book describes exactly this development: increasing sensitivity to noise and light, ever stricter shielding, ever more measures, and yet no real recovery.
Because of this, we increasingly got the impression that one must look not only at the psyche, not only at sleep hygiene, and not only at everyday life, but also at the room itself.
Indoor Air as a Possible Amplifying Factor
We are not claiming that sleep disorders and daytime fatigue are generally caused by poor indoor air. It is not that simple. Nor does our book provide a final answer. But it firmly raises the question of whether polluted bedroom air, chronically poor ventilation, and air pollutants could be a relevant amplifying factor for some people.
Because if sleep quality, nighttime stability, falling asleep, sleeping through the night, and recovery can plausibly be linked to air quality, then air can no longer remain mere background. Then it belongs in the picture.
Why We Are Writing About This
Dicke Luft is not an attempt to simply reinterpret sleep problems. It is a personal search for clues. A story about exhaustion, inner overarousal, restless nights, measures without real solutions, and the slow realization that perhaps we must not search only in our habits, only in our biography, and only in our nervous system, but also in the air we breathe night after night.
The book connects personal experience with scientific indications of the health relevance of indoor air. It invites readers to view sleep disorders and daytime fatigue not only as an individual problem, but also as a reason to take environmental factors more seriously.
Perhaps Recovery Begins Earlier Than We Think
Perhaps in many cases sleep disorders and daytime fatigue are exactly what they are considered today: widespread complaints with many possible causes and often no simple solution. But perhaps there are also cases in which polluted indoor spaces, chronically poor air, or certain exposures play a larger part than previously assumed. Perhaps indoor air is not the whole explanation. But perhaps it is a missing piece of the puzzle.
And perhaps the crucial question begins not only when falling asleep, but in the room where a person breathes every night.
