Oh, Ian. I'm so sorry to hear that your friend is no longer in the physical here with you.
Upon first glance, it would seem that your dreams about old friends sprung from your recent loss. Your subconscious mind could be prompting to see your friends before they depart this life. According to Freud, dreams like this are wish fulfillment dreams.
But knowing you, you could have astral traveled to visit with them in spirit.
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