我习惯凌晨三点睡觉我习惯早上六点起床
[wŏ xí guàn líng chén sān diăn shuì jué wŏ xí guàn zăo shàng liù diăn qĭ chuáng]
This username translates to 'I'm used to sleeping at three in the morning and I'm used to getting up at six in the morning', which indicates someone who keeps irregular hours. Perhaps it’s implying that although their lifestyle seems intense or exhausting, they are used to this schedule.