King 1997.
| Methods | Randomised controlled trial. Method of randomisation: Ephron system | |
| Participants | 48 older people living in the community (mean age of 62). 43 participants completed the study (90%). | |
| Interventions | Treatment 1: 16 weeks of moderate‐intensity community‐based exercise training (4x 30‐40 minutes endurance training [low impact aerobics; brisk walking] per week) (n = 24) Treatment 2: No treatment, wait‐list control (n = 24) | |
| Outcomes | Daily sleep participant diaries (including onset, latency, duration); Pittsburgh Sleep Quality Index | |
| Notes | Assessors were blinded | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement | 
| Allocation concealment? | Low risk | A ‐ Adequate |