It's important to keep a schedule, to an extent. It keeps you comfortable and regulated, and sor tof gives you a purpose in life.
If you work an irregular schedule, chances are your eating and your sleeping habits are off kilter too.
Even a little bit of a schedule and routine can do wonders for your self esteem, confidence, and healthy habit forming.
And let's face it: It's not a good idea to take a run and your daily exercise at 2am.