Translation guide
The act of urinating involuntarily during sleep, typically by children. In Japanese, this is most commonly expressed with the noun おねしょ, but there are also more formal medical terms and related expressions.
To refer to the common childhood issue of wetting the bed during sleep.
The most common, everyday word for bed-wetting, used especially for children. It is a noun and can be used with する to mean 'to wet the bed'.
My child still wets the bed.
I wet the bed (by accident).
A more formal or medical term for bed-wetting, literally 'night urine'. Often used in clinical contexts or with older children.
I'd like to consult about treatment for bed-wetting.
The medical term for nocturnal enuresis (bed-wetting as a condition). Used in formal diagnoses.
Nocturnal enuresis is seen in many children.
To describe the action of urinating in bed during sleep.
The standard verb phrase meaning 'to wet the bed'. Literally 'do bed-wetting'.
Last night I wet the bed again.
A more direct and slightly crude expression, literally 'do sleep-pee'. Used colloquially but can sound blunt.
When I was a child, I often wet the bed.
A formal verb phrase using the medical term. Not common in everyday speech.
The patient wets the bed several times a week.
To discuss bed-wetting as a problem or subject, often in parenting or medical contexts.
While おねしょ is primarily associated with children, it can be used for adults in casual or sympathetic contexts. For formal or medical situations regarding adults, 夜尿症 is more appropriate.
おねしょ is the standard, neutral term and is safe to use in most situations. 寝小便 is more direct and can sound childish or crude; it's often used in very casual speech or when speaking frankly.
夜尿症の原因は様々です。
The causes of bed-wetting are various.