With that in mind, the smarter way to hold bitcoin is to sell it when prices start going down, only to re-buy a larger quantity when prices stabilize at a lower range. Then, with the same capital, you increase your bitcoin holding every time prices drop.
It is quite tough specially you're not in your monitor or screen to watch it all over the time. Though there comes the notifications but you're not around 24/7 so better yet try another techniques at the time. It is a smart one indeed as for slow price drop. Be more knowledgeable about the other techniques it is surely a smartest way so that, you are flexible in every changes happening in the market.