In addition to possibly pausing lessons, I’d recommend checking out some of the leech scripts. These can tell you how many “problem items” you have that could be increasing your workload significantly. You can also put extra study time into tackling your leeches while you pause or slow down lessons.
See your leech counts on the dashboard:
Study extra outside of the SRS (in general):
Adds an extra filter to specifically study leeches using the above Self Study script: