Research Article

Do placebos alter sleep?

Br Med J 1976; 1 doi: (Published 24 January 1976) Cite this as: Br Med J 1976;1:195
  1. K Adam,
  2. L Adamson,
  3. V Brezinová,
  4. I Oswald


    Deliberate suggestion that an inert capsule was a sleeping pill was found not to influence subjective ratings of sleep quality or anxiety or the electrophysiologically recorded features of sleep in 10 volunteers aged 41-62 years.