For many students it is challenging to create and maintain a home based practise. One way to ensure that you get some home practice in during the week to enhance the many benefits of such a powerful practice you might like to buy a DVD or audio CD to help lead you through a series. There are many on the market. You will have to look closely to see what they offer and what focus they have. The ones produced by Gaiam are quite reliable indeed.
Doing a little everyday is adequate to continue the learning such as 10 minutes of resting child and savasana or relaxation. Sun salutations are very effective and encompass many openings too. Be gentle, give it as long as you realistically have and go from there.