Ask HN: How can I be more productive in 2020?

Get decent sleep and exercise. Stop reading the news. Spend a day or two away from computers, and habitat altogether if you're able to.

Build better habits in multiple areas (sleep, entertainment distractions, work). Better habits give you more time to spend on productive things.

To build a habit of coding more, try a daily goal:

https://wakatime.com/goals