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.
Muslims pray five times each day. Each prayer consists of recitation of some passages of quran and so time varies greatly. Prophet Muhammad used to pray for three-four hours consecutively but now the practice has reduced to five minutes per prayer also some people take longer.