do you spend alot of time on your feet? I have a similar problem and I find I need to wear sturdy shoes for more support. When I wear better shoes I don't have the sore feet in the morning
hopefully it is something simple like that.
good luck
Also, plantars fasciitis.
mkh9
A common cause of such a presentation is the onset of diabetic neuropathy. Before going further you need an hba1c blood test.
i had the same for my feet and legs and i took pain pills and went away took a few days but i feel better:)