I think it's a grave mistake to drive a wedge between the sacred and the secular, as though they were spiritually incompatible. "Sacred" acts include prayer, Bible study, church attendance, and the like. "Secular" acts include things we often do reluctantly and apologetically: eating, sleeping, caring for our bodies, etc. The dilemma has never existed in reality.
The truth is, we can make everything we do an act of consecration to our God. We need no more to be ashamed of washing dishes than memorizing Scripture. If this is so, why should it be so hard for the average Christian to get hold of the idea that their daily activities can all be performed as acts of worship to the Father through Jesus Christ? We can counter this only by reminding ourselves that we intend every act to glorify God. The essential spirituality of worship is not lost in even the most mundane of acts. Ruth Bell Graham once had this sign over her kitchen sink:
I absolutely love that! This isn't to say that everything we do is equally important. Paul planted churches and made tents. Both were acceptable to God and acts of worship. "Every stitch in the tent is an act of obedience and faith, or at least it can and should be" (source). As I've often said on this blog, my morning Bible time may be more important than my daily workout, but lifting weights can be as holy an act.
I desire that my entire life become a priestly service for the Lord. That I often fail to do this in no way refutes what I am saying.