这有可能成为未来的安眠药吗？英国MarconiUnion声称他们创作出世界上最放松的歌曲《失重》，此曲长达8分10秒，证明可以减少65%的焦虑感，可以使心率下降35%，倾听者的身体节奏会与歌曲同步。事实上，《失重》可以诱发睡眠，科学家警告司机在驾驶时不要听。
"It slows your breathing and reduces brain activity to such an extent that Weightless, written by Manchester band Marconi Union, is said to be the 'most relaxing song ever'.
The eight-minute track is so effective at inducing sleep, motorists have now been warned they should not listen to it whilst driving.
The band worked with sound therapists to get advice on how to make the most effective use of harmonies, rhythms and bass lines. The result on listeners is a slowing of the heart rate, reduced blood pressure and lower levels of the stress hormone cortisol." (Daily Mail, David Gerges)
Marconi Union are a British musical trio Richard Talbot, Jamie Crossley and Duncan Meadows, with strong links to the Manchester based DOTCA arts collective. Their music incorporates elements of electronica, ambient, jazz and dub.