In summary, the relative refractory period is a time in which the neuron can fire an action potential, but it needs a greater stimulus. During an action potential, voltage-gated sodium channels open to let in positive ions - sodium. These depolarize the cell.
On average, reciting five Mysteries of the Rosary typically takes about 15-20 minutes depending on whether the optional prayers are also recited. Additionally, some people may take longer than 20 minutes if they decide to devote extra time for reflection and meditation on any of the Mysteries.
Then the Glory Be Prayer. Then the Fatima Prayer. Then you repeat steps 7-10 until you have said a prayer on each bead contained on the string of rosary beads. Then you finish the rosary with The Hail Holy Queen Prayer, Breviary Prayer and The Saint Michael Prayer and finally the Sign of the Cross.