Trading in a bearish market is like disarming a bomb; you don't do it unless you're an expert, and in that case, the expert should be non-greedy.
The best trading advice in a bearish market is to buy the dip, and that's it. Judging by Bitcoin, I'll say the dip will be at 45 tomorrow.
While trading in a bearish market gets more risky, then it's better to just take a break from trading for some time and get back to it when the market recovers.