It is permissible for a man to sleep beside his wife in Ramadan. In fact, it is permissible for a man to be intimate with his wife when he is fasting, so long as no intercourse or ejaculation takes place.

There is nothing wrong with putting oil on the hair during the day in Ramadan and that does not affect the fast.

It is permissible to shower while fasting and that does not affect the fast.

It is permissible to treat your toothache and apply paste and the like to the gums whilst fasting, but that is subject to the condition that you do not swallow it.

There is nothing wrong with a man playing with his wife, or a wife with her husband, by saying words while fasting, on the condition that there is no danger of either of them climaxing. It is permissible to kiss and play with one’s wife, if one is sure that there is no risk of reaching climax.

There is nothing wrong with cutting nails or shaving the pubic hair while fasting.