This is a beautiful essay on Liturgy of the Hours. I have the app on my phone, too (DivineOffice.org) but have never prayed all the hours in one day.
Despite my relative laxity, I do recommend them! And this essay will make you love them more:
http://theweek.com/articles/656760/pray-every-day-changed-life
Despite my relative laxity, I do recommend them! And this essay will make you love them more:
http://theweek.com/articles/656760/pray-every-day-changed-life