Jenny Yip:

“Laziness usually isn’t the reason behind procrastination. Laziness is like, ‘I have absolutely no desire to even think about this.’ Procrastination is, ‘It troubles me to think about this. And therefore, it’s hard for me to get the job done.’ That’s a big difference.”

From an article by  Kristen Rogers

If you want to go further down the rabbit hole, try How to beat procrastination.