Daily, as it is part of standard Stoic practice (specifically, the technique of negative visualization, which I employ during before-sleep meditation).
Also curious about this. Have found meditating before bed can ruin a nights sleep and so am wary of experimenting with it.
This is a thread where people can ask questions that they would ordinarily feel embarrassed for not knowing the answer to. The previous "stupid" questions thread is at almost 500 questions in about a month, so I think it's time for a new one.
Also, I have a new "stupid" question.