Activity logs are a useful tool for getting a handle on how you use your time. They’re a great aid to thinking objectively about how you could improve your time management and prioritise better. Unlike a simple time sheet, activity logs enable you to record your feelings and energy levels at different stages in the day. This can be really useful for identifying your ‘prime time’ and deciding how to organise your daily tasks.
You can read more in this useful article from Mind Tools: