Ultimate Sleep Hack Or TikTok Fad? The Colour Of Sound Explained

Young Man Sleeping on His Side

Although the biggest brains in the sleep business say evidence on the efficacy of noise to get you to sleep “is inconclusive and very low quality at this point,” (thanks Dr Mathias Basner, professor of sleep at the University of Pennsylvania and author of the world’s biggest review of noise as a sleep aid), you can’t keep a good TikTok trend down.