i read this a while ago while preparing for nostr:npub1shad0wsgr8z2qtd8n5xlg5nh5a2hxz0f3jrcmdgs7zrx9ek9ck4spkf8e8 
A set of researchers found out that almost 3.5 per cent of women dream about mobile phones and a mere 2.6 per cent of men dream about it too. It is not a huge number clearly, but most people see lesser new innovations like mobiles, computers, aeroplanes in their dreams.