Circadian Rhythms
This chemical waste product builds up in your brain throughout the day, making you feel tired.
What is adenosine?
This neurotransmitter spikes after an all‑nighter, causing a temporary sense of euphoria.
What is dopamine?
This stimulant blocks adenosine from binding to receptors, helping you stay awake.
What is caffeine?
This mental health condition becomes more likely when sleep schedules are irregular.
What is depression?
This hormone, released by the pineal gland, rises about two hours before bedtime to prepare your body for sleep.
What is melatonin?
This part of the brain, responsible for decision‑making and self‑control, functions poorly without sleep.
What is the prefrontal cortex?
Staying awake for 19 hours impairs your coordination as much as this activity.
What is drinking alcohol?
College students with consistent sleep schedules tend to have higher scores in this academic measure.
What is GPA?
This calming neurotransmitter slows brain activity as bedtime approaches.
What is GABA?
This emotional center of the brain becomes overactive when you’re sleep‑deprived.
What is the amygdala?
This drop in your body occurs before sleep and helps your brain cool down.
What is core body temperature?
Regularly getting less than seven hours of sleep increases your risk for this blood‑sugar‑related disease.
What is diabetes?
This brain structure acts as your body’s internal clock, responding to light and controlling sleep‑wake cycles.
What is the suprachiasmatic nucleus?
This brain region temporarily stores new information while you study.
What is the hippocampus?
This type of thinking suffers most during an all‑nighter, making essay writing difficult.
What is problem‑solving or making connections between ideas?
Chronic sleep loss raises your risk for this major cardiovascular event.
What is a stroke?
These brief, uncontrollable episodes of sleep occur when you’re severely sleep‑deprived.
What are microsleeps?
During sleep, memories are transferred from the hippocampus to this long‑term storage area.
What is the neocortex?
This “second wind” feeling happens when melatonin production stops at sunrise.
What is a temporary alertness boost?
This phrase reminds you that learning takes time and can’t be rushed in one night.
What is “Rome wasn’t built in a day”?