It depends, it is more complicated than having it as a metric in your contract and being paid to meet some demand. Generally what happens is you are expected to

It depends, it is more complicated than having it as a metric in your contract and being paid to meet some demand. Generally what happens is you are expected to research outside all the other responsibilities that are not research which consume your contracted hours. So undergrad teaching, administration, grant applications etc take the majority of your day alongside managing the welfare of students you are responsible for. Don't forget meetings, committees, staff training days, postgraduate supervision and development of up to date course materials. I wouldn't even bother trying to fit in a personal life while trying to stay on top of the field. When you're graded against whatever metric your institution uses they will decide whether or not to pile on more undergraduate teaching and administrative responsibilities (basically seen as the shit jobs) which in turn reduces your time available to research. That is problematic in and of itself as developing successful undergraduate systems requires people who know the field well and can teach relevant materials born from practice. What you end up seeing is young researchers who go into Lecturer positions end up deciding the next 30 years of their life on the first evaluation rather than being invested in as researchers who could contribute to their own projects or to teams. To compound the issue university administration has exploded in the last 10-20 years creating more middle management, more cost and more downward pressure on researchers to adhere to the demands of people less qualified than themselves. The same administrators are also the ones calling for mass casualisation of teaching roles to save money without seeing the long term downsides this has for building institutional knowledge and departments which can generate high quality research. Luckily I am in an institute that mandates at least 1 day per week is a research day and you are allowed to work from home and be uncontactable on that day if you wish but other people have it so much worse.