I'm 40 years old and most mornings i wake up in my ankles and feet feel heavy and tingling like they fell fallen asleep but it goes away minutes after?

Diabetes?: You are describing an early peripheral neuritis; a deterioration of the nerve insulation. It most often is an early sign of diabetes so check your urine and blood. If it gets annoyingly worse we have a few meds that can help. Too much alcohol and lead poisoning are other possibilities.

Free Falling.: You need to have a thorough medical evaluation to root out several possibilities. There could be a vascular, neurological or even positional components involved.