Ten minutes seem to be too short for a sleep, but good enough for a forty winks.
Ten minutes seem to be too short for a meal preparation, yet enough to whip out a breakfast.
Ten minutes seem to be too short for reading a novel but just nice for a short read.
Time indeed varies, depending on what we want to do, or what we need to do.
What will you be doing, if you only have 10 minutes to spare, before your next task?