Face it - founding, running, or working for a startup is hard and can be extremely stressful. The only constant is change, priorities are always shifting, and productivity is the key to success.
As an entrepreneur or employee at a startup, it's vital for you to be as productive and efficient as you can. Not only will this help you be more effective and efficient at your job, but it will also help reduce the stress that comes with running and working at a startup.