Before-bedtime passive body heating by warm shower or bath to improve sleep: A systematic review and meta-analysisBefore-bedtime passive body heating by warm shower or bath to improve sleep: A systematic review and meta-analysis Author links open overlay panelShahabHaghayeghaSepidehKhoshnevisaMichael H.SmolenskyabKenneth R.DilleraRichard J.Castriottabc Water-based passive body heating (PBHWB) as a warm shower or bath before bedtime is often recommended as a simple means of improving sleep. We searched PubMed,
