옵션에 unmountOnBlur: true 를 추가하면 된다.
import {createBottomTabNavigator} from '@react-navigation/bottom-tabs';
const Tab = createBottomTabNavigator();
... 중략 ...
<Tab.Navigator>
<Tab.Screen name="WorkoutsHistory" component={WorkoutsHistory} options={{ unmountOnBlur: true }} />
</Tab.Navigator>