It can be hard and is something you will have to learn to deal with on a personal level.

For example, going outside to get sun and physical exercise work fine for me 8 out of 10 times.

Other times, when the dread is related to an existential crisis about feeling that I'm not enough or that I will never succeed with my current startup, I stop, get some rest/sleep, go for a walk, watch motivational videos and talk to friends. Some times, all of this in sequence.

Feel free to DM me on Twitter if you want to chat more. My handle is the same as my username here.