In my free time I like to sleep. Because if I get a full night's sleep My body will not get sick and I can return to living tomorrow. Therefore, in my free time, I prefer to sleep rather than do activities in my free time.
I like to sleep in my free time because if I sleep well, my body won't get sick and I will resume my life tomorrow. So in my spare time, I would rather sleep than do activities in my spare time.
In my spare time, I like sleeping, because if I sleep enough, my body will not get sick and I can continue my life tomorrow. So in my spare time, I would rather sleep than do activities in my spare time.