Steady noise helps light sleepers more than most supplements.
Sleep
Moderate evidence
White / brown noise machine
Masks hallway and city noise.
How to use
Low volume, across the room. Prefer brown noise if white feels sharp.
Details
- Type
- Device
- How it works
- Raises the noise floor so spikes are less noticeable.
- Scientific evidence
- Mixed but practical evidence for sleep continuity.
Editorial rating ★ 4.4
Hotel-room essential.
Reviews
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