Primary care treatment of insomnia: study protocol for a pragmatic, multicentre, randomised controlled trial comparing nurse-delivered sleep restriction therapy to sleep hygiene (the HABIT trial) (BMJ Open, 2020)

(untitled) - Kyle, S; Madigan, C; Begum, N; Abel, L; Armstrong, S; Aveyard, P; Bower, P; Ogburn,E; Siriwardena, N; Yu, LM; Espie, C