Half and half

The Style And Beauty Doctor has a tip for weaning yourself off in their article about The Sleep Diet:

If you’re a die-hard coffee addict, cutting yourself off at 2:30 P.M. may seem cruel and unnecessary, but trust the experts here – caffeine does affect your sleep in subtle ways, even if you can’t feel it. “If you’re struggling in the first few weeks to give up coffee,” says Breus, “try weaning yourself off slowly with a cup that’s half regular and half decaf, then go all the way.”

The article talks a lot about the importance of sleep and how powerful caffeine is at disrupting it.