Teams mobile has a setting to suppress notifications from Teams and Outlook outside of your working hours / days, you can control these individually. For further information visit the NHSmail support site
Use Viva insights to block time out for breaks and lunches – you only need to do it once and it will pop a reoccurring, yet editable, block in your calendar. Find out more on the NHSmail support pages
You can also take time out and have a Micro Break with Breakthru or sign up to a daily wellbeing reminder. Find out more on the NHSmail support pages Wellbeing tools – NHSmail Support