ok complete ur all work before 9 and switch off light except night bulb and make peacefull envirement...and sleep with her....

Try reading bed time stories. Strictly no screen time two hours before sleep

Hi it will be difficult when he starts going to sleep. Finish your work by 9 and come to the bedroom, Sleep together. You can read him bed time stories, in that story you make yourself a story and say " kids sleep early are smart and healthy " etc.