can not be denied because the ups and downs of the price of altcoin is strongly influenced by the movement of BTC prices, and while BTC is sleeping altcoin prices are also very heavy to move through.
good opportunity for altcoin if Bitcoin is sleeping, because it is a bullish momentum for altcoin, I have passed several seasons when trading, altcoin season has not come yet, we have to wait patiently, if you hold you win, if not you lose