You don't have to study very much to get started in investing in bitcoin (as Roseline492 also mentioned in response to you), but if you try to employ more sophisticated techniques or you want to attempt to maximize your ways of investing in to bitcoin as compared with other investments that you have versus other assets/currencies that you might invest in, then you may need to study more about that too.
Too much time can be spent waiting, when within that time, you can already start gathering bitcoins. The most important question before investing should be the right coin to invest in, which should be bitcoins and where to buy the bitcoins safely, just also as keeping it safe. If these questions can be answered, then a new investor can start investing before they are able gain more inside knowledge on bitcoins.
Why not buy a little while learning? Wouldn't that help the learning process?
Buying while learning will be good and may help in the learning process.