This is a protocol for a Cochrane Review (Intervention). The objectives are as follows: The objective of this review is to determine the effects of conservative (non‐surgical, non‐pharmacological) management of nocturia in adults. The following hypotheses will be tested: 1. A conservative management is better than no intervention or a placebo/sham intervention 2. One conservative management is better than another conservative management 3. A conservative management is better than treatment with a drug