Mmm… good question. It took me a minute to think about it. I am a native speaker. "in our daily life" refers to one person or individuals in a close group - a family. "in our daily lives" is used with individuals who are not in a intimate group.

This is hard to answer, even for native English speakers. In fact, it is difficult for even grammar experts to answer. I will try to explain why and then make a recommendation. Each person only has one life. This makes it easy to talk about one person, e.g.: "I need to make more time for meditation in my daily life." However, when we talk about more than one person, the grammar becomes "muddy" no matter how we say it. "Our daily lives" means that there are many lives to consider, but it is unclear whether each person has one life or many lives. (Of course, we know the intent; but grammatically, it is unclear.) "Our daily life" means that there is only one life, but "our" means there are multiple people. Again, then, it is grammatically unclear, since it can mean that one life is being shared by many people. One way to avoid this is to omit the possessive adjective, i.e., "in daily life." Another is to reword, e.g.: "We should leave room for meditation in our daily lives." ...can be reworded as... "We should leave room for daily meditation." "Meditation should become a regular part of life." "Make time for meditation daily." However, language serves to aid communication; so if the intent is clear, the grammar is secondary. In that regard, either "in our daily life" or "in our daily lives" are both acceptable, because the intent is clear.

Hi Ranan. Life - Singular (One person) Lives - Plural (More than one person)