bed-wetting - enuresis during sleep; especially common in children (who usually outgrow it)

incontinence, incontinency - involuntary urination or defecation

overflow incontinence - urinary incontinence that occurs when the bladder is so full that it continually leaks urine; often attributable to a blocked urethra (e.g., due to prostate enlargement) or weak bladder muscles or nerve damage

stress incontinence - urinary incontinence that occurs when involuntary pressure is put on the bladder by coughing or laughing or sneezing or lifting or straining

urge incontinence - urinary incontinence that is generally attributable to involuntary contracts of the bladder muscle resulting in an urgent need to urinate accompanied by a sudden loss of urine; most common in people over 60 years of age