There is no one-size-fits-all answer to when you should meditate, as the best time to meditate will depend on your individual schedule and preferences. Some people find it helpful to meditate first thing in the morning as a way to start the day with a clear mind, while others prefer to meditate later in the day as a way to unwind after work or other activities.
It may be helpful to experiment with different times of day to see what works best for you. Some people find it helpful to meditate at the same time every day, while others prefer to meditate whenever they feel the need. It is also important to find a quiet and comfortable place to meditate, and to choose a time when you are likely to be free of distractions.
It is generally recommended to start with short meditation sessions and gradually increase the length as you become more comfortable with the practice. Most people find it helpful to meditate for at least 10-15 minutes at a time, although some people may prefer to meditate for longer periods.
It is important to listen to your own body and needs, and to not push yourself too hard or become discouraged if you are having difficulty maintaining focus. With practice and patience, most people can learn to meditate effectively.