Failing to get a proper nap at noon, Zhou Xiaonan lacked all energy during afternoon classes and nearly dozed off several times.
To keep herself from nodding off, she forced herself awake and pulled out a calculus problem to work on. Mid-way through the scratchpad calculations, her eyelids began to droop again.
After struggling for a little while longer, she finally lost the battle, slumped over her desk, and fell asleep.
Chapter 331