Is it obligatory to make up or offer expiation for a fasting person who wakes up and finds semen discharging from him, while being unsure whether it is nocturnal emission or masturbation?

The emission of semen during daylight hours in Ramadan has two scenarios:

- If it is due to a wet dream (احتلام), it does not invalidate the fast, because it is beyond the control and will of the fasting person. In this case, a ritual bath (ghusl janaba) is required if ejaculation occurred.

- If it is due to masturbation, the fast is invalidated, and the person must make up for the day they broke and repent to Allah.

However, if there is confusion and one does not know whether the emission of semen was due to a wet dream or masturbation, it is considered to be a wet dream. This is because the original presumption for a sleeping person is the absolution of accountability and the lifting of religious obligation.