Only have 5 things on your daily to-do list. Make one your MIT (most important task) and make sure you complete this first. Don't do anything else until it's done
Make a to don't list (3 things) things that steal your time, draw energy, steal focus
Make 'NO' your default answer
Protect your peak hours
Use for your hardest tasks, usually in the morning
Time Box, give each task a time windows
Systematise the small stuff
automate, automate, automate.
Track your progress
end of the day list 3 ways you made progress.
Treat breaks as performance fuel
Take regular breaks
Something beats nothing
Moving beats stationary
Outside beats inside
Fully detached beats semi-detached
Consistency instead of intensity, habits instead of heroics