There is value in stopping. There is value in taking the evening off without feeling guilty, or stepping away from the screen or being honest about the fact that your body and mind are asking you to slow down. If you’re always running on low, something will eventually give. So take the nap and give your mind a break. Say no to that extra thing and step outside. This is needed maintenance. Even machines have downtimes. Why would we think we don’t need or deserve one?
We shouldn’t have to earn our rest by being exhausted. You are allowed to pause even when you haven’t finished everything. The work will still be there tomorrow and you will return to it with even better solutions if you take care of yourself today. Start thinking of rest as part of your work.