The bedroom
Does stale bedroom air affect your sleep?
Eight hours in a closed room changes the air you breathe. A small study tested whether that matters.
Topic
The bedroom
Temperature, humidity, light, noise, and the air around your sleep.
The bedroom
How noise affects sleep, even if you don't wake
You might sleep through traffic. Research suggests your body may not.
The bedroom
What light does to you while you sleep
Your eyes are closed, but a bright room can still change your sleep. Here is what one study found.
The bedroom
How humidity changes your sleep
You notice a hot room right away. Damp or dry air is harder to pin down, but it can change your night.
The bedroom
Why a warm room costs you deep sleep
Heat does more than make you uncomfortable. It trades your deepest sleep for time awake.
The bedroom
Why your bedroom matters more than you think
Sleep quality is not only about the body. The room around you sets the conditions the body has to work within.