Either is fine, but it seems that quitting abruptly, going cold turkey, might be better
In a clinical trial that pitted would-be quitters who stopped smoking altogether on quit day against those directed to wean themselves off the butts over two weeks, researchers found that those who went cold turkey were more likely than gradual taperers to succeed in quitting for four weeks and for six months
Squeeze a stress-relieving ball, doodle, play with your phone, or find another way to keep your hands busy so you don't end up reaching for a cigarette
[12] Just do what you've been doing
Cold turkey clobbers e-cigs, NRT and Chantix Cold turkey generating 11 times more ex-smokers than NRT in this study of 374 quitters, has widespread e-cigarette use diminished tolerance of teasingly slow and unsatisfying replacement nicotine