Fan sounds for sleep: the classic, without the fan
A running fan is the original sleep machine: steady airflow noise that masks traffic, neighbours and the creaks of a house at night. A phone can't move air — if you need ventilation or cooling, you still need a real fan — but it can reproduce the sound of one, and that is often what people actually miss when they travel.
Four fans, four characters
- Box Fan — the classic: wide airflow hiss with a low hum and a subtle blade pulse. Free forever in Dozefan; choose Low, Medium or High.
- Ceiling Fan — slow blades, a rhythmic “whump” under soft air.
- Tower Fan — oscillating, with the sound sweeping gently left and right; turn Oscillate off for a steady tone.
- Desk Fan — a light breeze, higher and quieter.
Why it sounds like a real fan
Dozefan doesn't loop a recording. It synthesises the noise of the airflow and the motor live, with slow natural variation, so there is no repeating loop and no click to notice at 3 a.m. A Muffle slider lets you make it sound like the fan is in the next room.
Make it a routine
Pick a fan, set a timer (the default is 45 minutes with a 2-minute fade) and keep the volume low. For babies, see the safe-volume guide.