Cypto currency requires a lot of patience and weak heart people must avoid or just invest considering that if you do not get it much then too you are fine with it. Even for day trader or short term holders need to be calm because their are days when the market bleed continuously and portfolio could go down by 50 - 70% depending upon the coins you hold it. So always buy good coins and different coins so that you portfolio is always balanced and cover some downside risks too.
Well of course if you only have trading as your means to make money then what happens to the market will affect you in a major way. It can lead to anxiety and over excitement. To counter that one of the best things to do is to select a good coin and then hold. Day trading takes a lot from traders and its not for people who have less patience.